Peptides for Weight Loss and Muscle Gain: Does Any of It Work? (2026)

"Peptides for weight loss and muscle gain" is the most commercially valuable phrase in this entire market, because it promises the one thing physiology makes hardest: losing fat and building muscle simultaneously. It is also the phrase with the widest gap between what is being sold and what has been demonstrated. This article closes that gap with the actual body-composition data rather than the mechanism stories.

Start with the finding that reorganizes everything below. There is a peptide class that reliably produces large weight loss in humans — the incretin drugs — but the lean-mass side of the ledger runs in the wrong direction, and there is no peptide with controlled evidence of adding muscle while stripping fat in healthy, training adults. The compounds marketed hardest for "recomp" are the ones with the least human data of all. That is not a cynical framing; it is what happens when you read the body-composition literature instead of the sales page.

The recomp problem is physiological before it is pharmacological

Fat loss requires an energy deficit. Building muscle is easiest in an energy surplus. Doing both at once is not impossible, but it is constrained, and the constraint has been quantified.

A meta-analysis and meta-regression of randomized trials running resistance training in an energy deficit found that lean-mass gains were impaired compared with training without a deficit (effect size −0.57), while strength gains were statistically comparable between conditions. The meta-regression put a number on the tipping point: a deficit of roughly 500 kcal per day was enough to prevent gains in lean mass altogether¹.

Read that carefully, because two useful things fall out of it. First, in a deficit you can keep getting stronger while gaining little or no tissue — strength and hypertrophy are not the same outcome, and conflating them is how "I recomped" anecdotes get generated. Second, the size of the deficit is the lever. That is a dietary variable, not a pharmacological one, and it is the single most important input into the question this article is about.

The one class that actually moves weight — and what it costs

If you want a peptide with genuine randomized human weight-loss data, the incretin drugs are the only address. The numbers are large and replicated.

In STEP 1, 1,961 adults with overweight or obesity and without diabetes were randomized to once-weekly semaglutide 2.4 mg or placebo for 68 weeks alongside lifestyle intervention. Mean body-weight change was −14.9% with semaglutide versus −2.4% with placebo, a treatment difference of −12.4 percentage points². In SURMOUNT-1, 2,539 adults received tirzepatide or placebo for 72 weeks; mean weight change was −15.0%, −19.5% and −20.9% at the 5 mg, 10 mg and 15 mg doses against −3.1% for placebo³. The investigational triple agonist retatrutide went further still in a phase 2 trial, reaching −24.2% at 48 weeks in the 12 mg group versus −2.1% on placebo⁴.

These are regulator-grade results and they are in a different universe from the animal data behind most "fat-loss peptides." But the question this page asks is about weight and muscle, and that requires looking at what the lost mass consisted of.

What the body-composition data actually show

A 2026 systematic review in Annals of Internal Medicine pulled together 35 randomized trials reporting body composition with liraglutide, semaglutide, tirzepatide or dulaglutide. Within the incretin arms, the median proportion of total weight loss attributable to muscle-based indices was 28.3% (interquartile range 15.9% to 39.9%), and about two thirds of studies exceeded the review's prespecified benchmark of roughly 25% for fat-free mass measured by bioimpedance or DXA⁵.

Three qualifications matter more than the headline number, and they are where most coverage of this finding goes wrong.

It is not unique to the drugs. The same review reported that among the 13 studies documenting weight loss in the lifestyle or placebo comparator groups, 38% also exceeded their respective benchmark⁵. Losing some lean tissue alongside fat is what weight loss does. The honest claim is that incretin-driven loss is larger in absolute terms and more often exceeds the benchmark — not that dieting is clean and drugs are not.

"Lean mass" is not "muscle." Fat-free mass as measured by bioimpedance or DXA includes water, glycogen and the connective and organ tissue that shrinks with a smaller body. A review of lean-mass changes with GLP-1-based therapies makes this point directly and notes how wide the reported range is across trials — from roughly 15% or less of total weight lost in some studies to 40–60% in others, driven by population, drug and measurement differences⁶. A single quoted percentage from a single trial is close to meaningless without knowing which method produced it.

Nobody measured whether it mattered. The Annals review flagged that no included study reported objective physical function outcomes⁵. So the clinically important question — does this lean-mass change make people weaker or more frail — is unanswered by the trial base, in either direction. Nor does that base answer it by sex: we ran those searches ourselves and printed every query and result count in the sex-split evidence in men and the same searches run for women, and for tirzepatide specifically no published sex-subgroup weight-loss analysis came back at all. Anyone telling you these drugs definitely wreck performance is going beyond the data just as much as anyone telling you they definitely don't.

So can an incretin drug be a "recomp" tool?

No, and the framing is the error. These are prescription medicines for obesity and type-2 diabetes. They work substantially by suppressing appetite, which means they deepen the energy deficit — the exact variable the training meta-analysis identified as what prevents lean-mass gain in the first place¹. A drug whose mechanism enlarges the deficit is structurally the wrong tool for adding tissue.

What the clinical literature actually recommends, when it addresses this, is mitigation rather than magic: reviews of strategies for minimizing muscle loss during incretin therapy converge on adequate protein intake and resistance training as the levers, not a second drug⁷. That is the same advice the sports-nutrition literature gives someone dieting without any drug at all. It is unglamorous, it is free, and it is the only part of this whole page with strong evidence behind it.

If you are a lean, trained person considering one of these for physique reasons, understand that you are proposing an off-label use of a drug tested in people with a mean BMI of 38 — and that gastrointestinal adverse events are the dominant tolerability problem, with 4.5% of the semaglutide group in STEP 1 discontinuing for them versus 0.8% on placebo². We work through the wider safety picture in are peptides bad for you?.

The compounds sold *specifically* for recomp

Now the harder question: what about the peptides marketed explicitly for fat loss plus muscle gain, rather than the incretins that get repurposed into that pitch?

The GH-axis secretagogues — sermorelin, CJC-1295, ipamorelin, MK-677 — raise growth hormone and IGF-1 on a lab panel, which is real, and then fail to convert that into demonstrated body-composition benefit in healthy training people. We lay out that surrogate-marker gap in which muscle-growth peptides survive contact with the human trials and, for the fat side specifically, in peptides for fat loss. The growth-hormone fragments sold most aggressively for leaning out are worse off than that: AOD-9604's human obesity program did not deliver, as we document in the AOD-9604 evidence review. And the "metabolic" compounds pitched at recomp directly — MOTS-c, 5-Amino-1MQ — run on rodent and cell data with no human body-composition trial at all, which is the whole argument of our MOTS-c evidence review and 5-Amino-1MQ evidence review.

There is no controlled trial in healthy, training adults showing any peptide simultaneously reducing fat mass and increasing muscle mass. When a vendor sells a "fat loss and muscle gain" stack, the product is a hypothesis with a price attached.

The parts nobody selling this will tell you

Two constraints apply regardless of which compound you land on.

Almost everything in the recomp category is not an FDA-approved product. Compounded peptides — including compounded semaglutide and tirzepatide — are not FDA-approved drugs, and the research-chemical tier is not a drug at all in any regulatory sense. Sellers contradict themselves in writing about the rest of it too: Sprout Health's checkout displays a "100% Money-Back Guarantee" badge while its own refund policy states that all prescription medications are non-refundable, and CoraDoc's homepage FAQ promises "a full refund if your licensed provider determines you are not a candidate," while its separate refund policy describes the identical scenario as a refund "minus a $100 clinical service fee". VitaStir's homepage says outright, "you will be fully refunded" if the physician doesn't approve treatment, while its dedicated refund policy states "all products we offer are non-refundable" and never mentions that exception. Boston Medical Group advertises the same twelve-week program at $199 a month on its costs page and $299 a month on its program-steps page. LVNG RX's own homepage disagrees with itself on a simpler number: "10k+" members in the hero banner versus "1,743+ patients supported" in the counters further down the same page, alongside a Trustpilot badge and a Google-review claim that neither matched a findable listing for the brand. Kin Meds inverts the usual pattern: its advertised "$149/mo" headline is the brand-name-drug tier, while the compounded medication most readers are comparison-shopping for actually starts higher, at $199/mo. Candor Rx's hero banner reads "$95/month. Any dose. Forever." while the product card that actually drives its checkout reads "As low as $99/month" for the same flat-rate claim — a $4 gap on the same page. Sometimes the contradiction is about the supply chain rather than the price: OurView Health's homepage says its parent company is the licensed pharmacy compounding the medication, while its own FAQ says it partners with one, and neither sentence names it. Coverage claims split the same way: Loop Health's homepage states "Available in 50 states" twice, while its own terms of service narrow that to wherever its provider partners happen to be licensed to practice telemedicine — a list it never publishes. Queen RX's own terms of service state its coverage excludes "Alabama, Louisiana, or North Carolina," while an earlier capture of the same terms recorded a different exclusion list entirely — Kansas, Louisiana, Mississippi, New Mexico and West Virginia, and the two lists share only Louisiana, which is not the kind of fact a reader should have to guess at before paying. Two providers go further and simply don't serve most of the country at all: Green Cap Health's own homepage states it currently serves only Texas, and Trava Health's terms say the same — Texas only — neither limitation is obvious from pricing copy written like every other national storefront's. ZYP Medical narrows even further, to six named states, with a genuinely low $50 initial consultation as the tradeoff, and PCOS Sisters serves 12 states with a specialty PCOS model most general storefronts don't attempt. Some providers bundle more into the price than the headline suggests: Tuyo Health folds periodic lab work and complimentary consults into its $155/mo all-inclusive rate, while others share more infrastructure than either sibling advertises — AM Rx and FitRx both trace back to the same operator, FitRX, LLC, per their shared "zealthy" site markup, a connection FitRx's own code confirms too. Dr. Gillis Wellness Center goes a step further: an earlier capture of this row recorded nationwide coverage, but the clinic's own copy today says telehealth is offered "throughout Central Maine" specifically, not all 50 states. MedLeanRx is Texas-only too, out of Spring, TX, on a page structured like every other national storefront's. Carocare Wellness goes further still — a genuine single-location Houston clinic with in-person visits, not telehealth at all outside that one city, and its dose-escalating pricing more than doubles by month 5-6. MANU Telehealth doesn't publish a state list at all — you find out whether your state is served only after submitting your address through an intake form, which is its own kind of undisclosed narrowing. Not every narrow footprint is undisclosed, though: Bioverse names a specific 18-state service area rather than claiming nationwide coverage it can't back up, the honest version of the same limitation. Gimme Care requires video visits specifically in Kansas, Louisiana, Mississippi, New Mexico, and West Virginia — the same five-state cluster that keeps recurring across providers in this dataset, a pattern worth noticing on its own. Sometimes there simply isn't a claim to check: Factor Health MD publishes an accurate, all-doses-included price and a genuinely fair refund window, but names no compounding pharmacy, no medical director and no state list at all — the clean price and the thin disclosure sit on the same page. And a good many will not tell you the price at all — Breeze Meds publishes no figure for sermorelin or tirzepatide anywhere on its public site, so the cost is discoverable only by completing an intake, Fifty 410 itemizes a two-tier dose table for tirzepatide but publishes no semaglutide-specific figure at all, only a generic "Starting at $199/month" the whole program shares, and BodyLogicMD leads its pricing page with a "$79 Monthly Plan" that turns out to be a hormone-panel membership, not a medication price — the GLP-1 or BHRT drug cost is never published, while SHED prints its commitment tiers as a plain table and then advertises the twelve-month rate, 20% below the $299 a month it actually charges without a prepayment. A commitment is worth reading twice before you sign it, too: RxPros's returns policy locks cancellation behind a dashboard, only reachable once a selected 3-, 6-, or 12-month minimum term concludes, and charges a $199 "chargeback processing fee" for a disputed charge, framed as a material breach of contract — and NewSelf's own terms use nearly identical language and the same dollar figures, down to a $99 pre-consult cancellation fee and a $150 fee to change medications after the pharmacy has been notified, a strong sign the two differently-branded storefronts share a backend. Mixx Health and Wellness charges a $125 fee for a cancellation or prescription change, on top of an all-payments-final policy, a smaller figure but the same shape. Wholesome Clinic splits its bill a different way — a $149 initial evaluation and $75 per follow-up visit, both billed separately from a genuinely low $109/mo medication price. FormidableMD runs the same pay-per-visit structure at a higher rate — a $199 initial consultation and $99 follow-ups, both separate from its published dose-by-dose medication pricing. KERNX Health charges $25 for a message-based review, $35 for a standard live visit, or $60 for a complex one, on top of its own founding-rate medication price, a fee ladder most competitors fold into the headline price instead. 24hrdoc bundles consultation and medication into one displayed price rather than splitting them, per its own homepage — a checkable structure, even though the first-month figure it applies to still roughly doubles at renewal. LumiMeds names a real, board-certified medical director, Dr. Teresa Walsh, MD, but its own membership terms rule out any refund once a term starts, with a $100 fee even for canceling before it does, the most absolute lock-in language found on this list. Ivím Health's own FAQ states that cancellation is not available once one of its one-, two-, four- or six-month programs has started, and Ozari Health's refund policy recalculates an early-canceled Annual or Semi-Annual plan at the standard monthly rate and bills the difference back — the lower price was conditional on staying, not stated as such upfront. TeleHealth Med's refund policy is fair and clearly stated, but notes refunds may be "proportionally adjusted" if a promotional discount applied, the same conditional-on-staying shape in gentler language. And Fresh Day Meds charges a flat, non-refundable $75 fee for a missed consultation call, regardless of whether a prescription is ever written, a commitment tax that has nothing to do with the medication itself. boostAGErx quotes a single "$95.00/mo" headline that its own checkout splits into monthly, 3-, 6- and 12-month tiers, with the individual prices visible only after logging into a member portal, so which commitment actually bills at the headline rate isn't confirmable from the marketing page. Some sellers simply don't publish a commitment policy to read: Fidelity Medical Clinic has no refund or cancellation policy anywhere on its site — not a dedicated page, not a footer link, not at any of the standard paths one would live at, and Fitness RX has the identical gap: its terms page 404s and no refund language appears on the homepage or footer either. BiltRx names two compounding pharmacies and prices semaglutide at $81/month, but no refund or cancellation policy of any kind turned up anywhere on its site either, a third provider with the same missing page. Big Easy Weight Loss names a Chief Medical Officer and six pharmacy partners, but no refund or cancellation policy of any kind turned up anywhere on its site either, despite selling 12-week packages upfront. beyondMD lists four real physical office addresses, but no refund or cancellation policy of any kind turned up anywhere on its site either, a fourth provider with the identical gap. BlisMD itemizes its price and what it includes clearly, but no refund or cancellation policy of any kind turned up anywhere on its site either, and Nuva Health offers both compounded and brand-name GLP-1s in injection or tablet form, but the same gap shows up there too — six providers now with a price page and no refund page. Care Clinics prices real packages with medication included at every tier, but the same missing page shows up an eighth time, and Cielo Health states "10% of all proceeds support charitable organizations," yet its own "Can I cancel at any time?" FAQ heading has no answer rendered anywhere in its content — a question asked and left unanswered on the page itself. altRx's refund policy uses nearly identical structure and language to Next Meds' own policy, right down to the 28-day window and the same two exceptions, one more sign the two storefronts share an operator. VitaraRx states that "payment does not guarantee that a prescription will be issued," but its policy stops short of saying what happens to that payment if one isn't — a narrower silence than Fidelity's, but still a real one. And some publish a very specific one that reads more generous on the badge than in the terms: Harbor's "12-Month Money Back Guarantee" requires twelve consecutive months with no lapses, all thirteen scheduled shipments, strict dosing adherence, and a claim filed within 35 days of the last one — with no prorated version if any condition is missed, and Luci's results guarantee opens its claim window only between days 181 and 210 — month 7, and month 7 alone. Coivas's money-back guarantee reads unconditional on the homepage, but its terms exclude delivered, non-defective medication and route unresolved disputes to binding New York arbitration rather than court. NuBloom's own product pages carefully distinguish compounded drugs from FDA-approved ones, but an earlier capture of this row found one FAQ that called compounded medication "FDA-approved" anyway — a contradiction this pass's homepage read could not reconfirm. Contour Health's homepage banner reads "No Subscriptions. No Hidden Fees," confirmed live, while its own Terms of Service separately describe an optional subscription tier with a 3-month minimum. Unique Physique names a real medical director and legal entity, but neither of its two pricing tiers states which GLP-1 drug it actually contains. NexLife's own site was rate-limited on every fetch attempt this pass, so its pharmacy and pricing claims rest on prior research a reader should independently confirm, the same limitation Immortals hit too — a longevity platform founded by Bryan Johnson, priced around sub-clinical microdoses, none of it reconfirmed on this pass. Rejuve Meds displays no LegitScript certification anywhere, unlike several sibling providers on this list, and Remote Pharmacy is a newer brand with a limited third-party track record behind its otherwise transparent, fee-free pricing. ShapeIn Rx claims "No Hidden Fees" and "No Monthly Membership" on its homepage while, per an earlier capture, its own terms describe subscriptions that automatically renew, and Rivo Health's advertised entry price sits under a live "Spring Sale" banner confirmed on this pass, meaning the everyday rate outside the promotion is higher than the headline figure suggests. Luma Health Co's per-medication pricing is genuinely transparent with no subscription fee, but it also markets investigational retatrutide under a branded-sounding name, "RTT (GLP-3)," rather than plainly as unapproved, and Curve's cheapest advertised rate requires a 12-month prepay, with real month-to-month pricing nearly double. BioGlow Health does the same with retatrutide, offered without naming either a prescribing clinician or a compounding pharmacy. Healthicare names its clinical partner and pharmacy outright, a rarer disclosure, though it excludes several major states. Novi's all-in price hides a 3-month non-refundable minimum in the Terms of Service, not the pricing page, and Intimate Rose's published $169/mo price could not be independently reconfirmed this pass after the site was rate-limited on every fetch attempt. FitFlow's "as low as $99/mo" is a $1,188 annual prepay divided by 12, not a real monthly charge, and Genesis Health runs the identical structure — its "$99/mo" also requires a full annual commitment against a $175/mo standing rate. Nova MD publishes all four SKU prices openly, a rare transparency, but names no LegitScript certification and no specific compounding pharmacy behind them. AZ Health is a single page with no Terms, Privacy, or HIPAA notice anywhere on it, Bodi Envi's founder background and flat pricing rest on prior research this pass couldn't reconfirm, and eMI Aesthetics shows no per-drug price until after intake, only an "as low as" starting figure. GetRelief Rx prices its compounded semaglutide and tirzepatide publicly, no login required, but every dose ships as a sublingual drop rather than an injection, a delivery method the pivotal trials never tested. June Health publishes a full per-dose price list too, starting at $179/mo, but its footer's Terms of Service and Privacy Policy links go nowhere on a domain registered only in May 2026. And Kina folds GLP-1 into a broader menopause-care platform at $179/month, with a separate $50 physician consult fee layered on top of that headline figure. Somi Health's homepage advertises a "100% money-back guarantee" that its own Terms of Service directly contradict, stating all sales are final with no refunds on medication. Insurance can gate access as tightly as a state list does: 9amHealth's $149/month membership runs free when insurance covers it, but GLP-1 medication access itself depends on meeting BMI and insurance criteria not guaranteed at signup, and Allara Health's $149/mo Complete Care and $125/mo Nutrition memberships, confirmed live, cover the care team and labs — not the GLP-1 medication itself, whose cost isn't published anywhere on the pricing page. NativeMed's promotional $149/mo semaglutide rate is disclosed to revert to $299/mo regular, and its $183/mo tirzepatide rate to $399/mo, both roughly doubling once the introductory window ends. And an introductory price is worth reading the same way, confirmed live: OrderlyMeds' $74/mo semaglutide headline rises to a confirmed $149/mo after the first month, alongside a stack of bundled extras marketed with inflated dollar values rather than a straightforward all-in cost. A service-area claim is checkable against a site's own schema data, and sometimes it's out of date in the reader's favor: SynergenX Health's own homepage schema now lists Texas and Illinois as its telehealth service area, an expansion beyond the Texas-only figure prior research had recorded. Mint Med prices every dose the same flat $159/mo, a genuinely simple structure, though its name is easily confused with an unrelated Utah med spa, and Blue Sky MD quotes its entry price per week rather than per month — $40/week for semaglutide — a format that takes an extra step of arithmetic to compare against competitors. GobyMeds prices compounded semaglutide at a genuinely competitive $99/month, confirmed live and cheaper than an earlier capture of this row had recorded, though no LegitScript badge or verification link was found anywhere on the site, and Ivy Rx's "$97 GLP-1" price card, confirmed live, never states whether that figure buys semaglutide or tirzepatide. Vaylen prices compounded semaglutide from $179/month, confirmed live, alongside brand-name Ozempic and Zepbound at near-retail pricing for readers who want the FDA-approved product specifically, and Voxy's advertised "$129/mo" is a 12-month prepay rate, confirmed live — the true month-to-month price is $179/mo, still with no long-term commitment required. AlyveRx also sells needle-free sublingual GLP-1 drops using its own PermeAct delivery technology, though that absorption method hasn't been FDA-reviewed specifically for weight loss, and Elara Health and Wellness bundles quarterly labs, physician visits, and coaching into its $183/mo price, confirmed live, though that figure is specifically the 12-month annual-plan rate. Bionomy Health prices compounded semaglutide at $189/mo pay-per-prescription with no subscription, confirmed live, pairing it with muscle-preserve supplements, and Navio MD's $189/mo entry price is the lowest-dose figure only — the site's own FAQ confirms it climbs to $247/mo or higher as your dose increases. PrescribedRX prices compounded semaglutide at $189/month with a modest 3-month-plan discount to $176/month, per prior research, on a bilingual platform that also covers TRT and longevity. Invyncible names its parent company (Nationwide Telemedicine, LLC), carries a working LegitScript link, and prices compounded semaglutide from $192.50 for the starter 2.5 mg vial on the open site, confirmed live, though the figure climbs to $350.00 at the 10 mg vial, and Eve pairs compounded semaglutide and tirzepatide with brand-name Ozempic, Wegovy, and Mounjaro on one account, confirmed live, distinctive positioning in a largely gender-neutral market. MaxLife prices semaglutide from $155/month and tirzepatide from $195/month, confirmed live, backed by a working LegitScript link — content a prior capture of this row had recorded as an entirely blank page. Clinic Secret runs a "$100 Off 1st Month" promotion on a newly launched platform, confirmed live, and Alegro Health's $199 starter runs from a real, physical McKinney, Texas medical practice, confirmed live, though tirzepatide isn't offered at all. Aurelius Health Group prices its microdose-only protocol at $89 the first month, then $199/month, confirmed live, cancel anytime, and BloomWell Rx displays a LegitScript seal, confirmed live, that an earlier pass of prior research had recorded as absent. DrBrainRx is founded by a triple board-certified neurologist, per prior research, though a separate $25/month provider care fee applies on top of its flat-rate price. EOS Health offers multiple compounded formulas — plain semaglutide, semaglutide+glycine, semaglutide+B12, and tirzepatide — with optional 130+ biomarker lab add-ons, confirmed live, and FuturHealth bundles registered-dietitian nutrition guidance with early access to Foundayo, the new oral GLP-1, confirmed live. He and She MD's introductory $139/month price, confirmed live, renews at $199/month after six months. Heally runs a genuinely broad, individually-priced longevity menu alongside GLP-1 — liraglutide, rapamycin, NAD+, TRT — confirmed live, and HealthSource bundles medication, supplies, and the telehealth visit into one price with no separate pharmacy fee, per prior research. A publicly traded parent doesn't simplify the bill: Hers, the women's brand of NYSE-listed Hims & Hers Health, requires a $39-then-$149/mo membership that its own site says "does not include or guarantee a prescription" — medication is a separate charge on top, from $149 to $1,899/mo. And a guarantee headline is worth reading against its own fine print: HumeCare's homepage promises 10% body weight lost or your money back within 6 months, while the actual written terms cover only 90 days, first-time GLP-1 users only, and "any measurable weight loss," not 10%. Not every claim can be checked at all: Liberty blocked every fetch attempt on this pass, leaving its "all 50 states" claim unresolved against a secondary source describing 47, a genuine research limit rather than a confirmed fact either way. And a real, physician-owned clinic can still have a narrow footprint: Livea has run since 2011 with 8 physical clinics in Minnesota and Wisconsin, but its telehealth program is confirmed by multiple sources to cover only Minnesota, Wisconsin, Iowa, and Florida. Almost nothing about a brand-new site could be independently confirmed here: Medro's site blocked every fetch attempt this pass, and its near-total absence from independent search results corroborates a very new, thinly established 2026 brand. And two pages on the same domain don't always agree: Mevo Health's homepage prices semaglutide "as low as $199/mo" while its own /weight-loss subpage lists the same drug "as low as $129/mo" on the same day. A drug-tiered price and a time-tiered price look similar but aren't: Recovery Delivered's tirzepatide pricing rises by dose, which is fair, but its semaglutide pricing instead rises automatically by how long you've been a customer, confirmed live. And a genuinely hard-to-verify site is its own kind of finding: Regenics' own pages showed no pricing figures or LegitScript mention when checked directly, despite a secondary source reporting both, a real, unresolved gap rather than a confirmed fact either way. A 45-state exclusion list is worth reading exactly, not roughly: Revel Health's own site names Alaska, Arkansas, North Carolina, New Jersey, and Mississippi as excluded, confirmed live, matching prior research precisely. A low program fee doesn't mean a low total bill: Rex MD's $75/mo clinical subscription is billed separately from manufacturer-priced Wegovy or Zepbound, which run $349-$499/mo on top, confirmed live. And a $44 add-on fee is easy to miss if it isn't in the headline price: Semaglutide Online's brand-name options add a separate $44/month provider fee on top of the base medication cost, confirmed live. A bundled device is worth the commitment terms attached to it: Signos includes a named, FDA-cleared CGM (Stelo by Dexcom) with its GLP-1 program, confirmed live, though its own FAQ flags a possible cancellation fee for ending the term early. A published price ladder still leaves the accountability question open: StackMD prices every dose strength openly, confirmed live, while explicitly stating it can't resolve refunds itself — that authority sits with its prescribing partner, SamaritanMD. And a homepage claim can misstate the science behind it: Sumbare Wellness cites placebo-controlled trials of "compounded" semaglutide and tirzepatide that don't actually exist, confirmed live and verbatim — the real trials studied only the branded drugs. A staged pricing page is worth reading past the first number: TeleClinic's semaglutide starts as an intro membership rate before stepping up to a confirmed $199/mo standard rate, on a site that names its compounding pharmacy — Rush Pharmacy — outright. A solo-physician model trades broad coverage for a real, verifiable name: TOM Weight Loss deliberately caps its patient count and serves only Texas and Utah, but its named physician's NPI checks out as active in the federal registry. And a banner figure and a checkout figure aren't always the same number: Arc-1 advertises a $149.99/mo floor site-wide, confirmed live, while its own product data shows the real lowest price is $199.99. A rare four-pharmacy disclosure is worth checking against the rest of a site's claims: Harmony Wellness Clinic names all four of its compounding pharmacies with full detail, confirmed live, though a previously claimed LegitScript badge couldn't be found anywhere on the current site. And a conditional inclusion reads differently than an unconditional one: Optimized Health's own site distinguishes "labs included" (its TRT program) from labs "when clinically indicated" (its weight-loss program), a distinction worth noticing before assuming both plans work the same way. A crossed-out "was" price next to the real one is worth reading carefully: Medsol RX's own pricing table shows genuine tiered discounts by commitment length, confirmed live, though a separate marketing page states a vague $250-$1,400/mo tirzepatide range that blends compounded and branded pricing into one confusing number. A dedicated TRT platform's secondary GLP-1 line still deserves the same scrutiny as a standalone provider: TRT Nation bundles labs and unlimited visits into its flat $219/mo tirzepatide price, confirmed live, though its compounding pharmacy remains unnamed. And a site that returns nothing to a direct fetch is a finding on its own: FMmeds's pricing page rendered no server content across every attempt this pass, and its previously named pharmacy partner now appears to operate under a different name. Two prescription drugs on a shop page are one thing; supplements with drug-adjacent names in the same grid are another: Lyfe Rx's shop mixes real prescription semaglutide and tirzepatide with non-prescription products like "Lipo Burn," confirmed live, with no clear labeling distinguishing the two. A combined-drug product still needs the same basic disclosure as any other: Tru2u's flat-priced "GLP Squared" injection never states either component drug's dose until after intake, confirmed live. A clinic covering only a handful of states is worth knowing about before you complete an intake form: Onyx Weight Loss serves just 8 states, confirmed via secondary sourcing, on a site that also never names its GLP-1 drug by name anywhere. And a real pharmacy partner and a real prepay discount are two different claims to check separately: CLYR Health confirms live prices lower than prior research recorded, though a previously advertised 3-month prepay tier no longer appears anywhere on the site. A veteran-founded platform can still name real pharmacies once you get past the homepage: ARSYNL Rx discloses two compounding pharmacies, Manifest Pharmacy and RX Compounding Store, confirmed live, alongside a needle-free hypospray delivery option. A named pharmacy and a certified badge don't guarantee the headline price is the real one: PepHaus names Greenwich Rx and Hallandale Pharmacy as its compounding partners, confirmed live, though its advertised "from" price is the longest-commitment tier, not the flexible rate. And a company's marketing tone and its own binding legal terms can tell two different stories about coverage: Levers Health's Terms of Service state, in capital letters, that it currently operates in Arizona only, confirmed live, a materially different picture than general "nationwide" marketing might suggest. A crawler block can hide a real correction to prior research: Independent Wellness's robots.txt explicitly names and disallows automated research crawlers, confirmed live, and the search-indexed content that remains suggests coverage in roughly 18 states rather than the "all 50" prior research had recorded. And a full price table doesn't guarantee a full refund window: Luvo Health publishes a genuinely complete price list by medication and commitment length with no intake wall, confirmed live, but its cancellation policy defines "ordered" as intake submission for many new patients — the same moment the first charge posts. A white-label platform can leave one sibling storefront easier to research than another: NuDay Rx's own site rendered nothing but an empty application shell on every attempt this pass, confirmed live, unlike its platform sibling OnlyRx, which at least publishes starting prices. And a named medical team is a real differentiator when most competitors skip it: Peak Wellness names a medical director plus four more clinicians and a founder with a personal origin story, confirmed live, alongside a specifically licensed Florida compounding pharmacy. A flat price with no membership fee is worth noting when it's genuinely flat: Next Vial charges a single $249.97/mo for either compounded semaglutide or tirzepatide, confirmed live, with no dose-tier pricing or membership fee layered on top. And a site that won't render its own pricing to a fetch is its own kind of finding: Lean Rx's dedicated pricing page returns no visible price data in its raw served HTML, confirmed live — every dollar figure loads only client-side, unreachable to independent verification on this pass. A site with stale footer content is worth a second look before trusting its policy pages: Premium Health's footer carries a stale 2024 copyright and its locations page still shows leftover COVID-19 testing content, confirmed live, alongside dedicated pricing and refund-policy pages that all 404. And a "nationwide" claim is only as good as the page confirming it: Tell Her Doc's homepage markets broad availability, but its own about page states its provider network is "licensed in 30+ states," confirmed live — not a clean 50-state claim. A $99 consult fee isn't the same thing as a compounded-medication price: QuickMD sells no compounded semaglutide or tirzepatide at all, confirmed live — its fee covers only a brand-name-prescription consultation, with medication billed separately at your own pharmacy. Two named pharmacies are a real disclosure worth weighing against the commitment attached to them: Society of You names Emerald Pharmacy and Striker Pharmacy with full addresses, confirmed live, alongside a two-month non-refundable commitment on any plan. And the fullest pharmacy disclosure in a given batch is still worth reading the billing cycle on: Tryozi names all four of its 503A compounding pharmacies twice, confirmed live, though its "52-week" plans ship every 4 weeks — 13 shipments, not 12 calendar months. A founder's prior company is worth knowing about before trusting the current one: Zealthy's founder previously ran Cerebral, which settled with the FTC for $7 million over deceptive cancellation practices, per the FTC's own press release — and Zealthy itself now carries an open FDA warning letter and a Novo Nordisk lawsuit, both independently confirmed. A thin-looking storefront can turn out to be a large operation once you check its own product data directly: Bloom MD's Shopify catalog spans hundreds of SKUs beyond GLP-1, confirmed live, though its cancellation policy issues no refund once a payment has processed. And a named medical team is worth checking against the site's own coverage claims: Elevated Health names a Chief Medical Officer and a VP of Pharmacy Operations, confirmed live, while its About page and Terms of Service disagree with each other on state coverage. A refund clause worth reading in full capital letters: Better U Care's Terms of Use state, verbatim and confirmed live, that any refund is granted "AT OUR SOLE OPTION AND IN OUR SOLE DISCRETION" rather than as a stated right under any condition. And a "sold out" label doesn't always mean sold out: Fierce Health's product pages display decoy "sold out" text directly above a fully working pricing section and Add to Cart button for the same drug, confirmed live. A product name is a promise worth checking against the fine print elsewhere on the same site: Elevate Health markets a "Zepbound Injection," confirmed live, while a separate safety-information page on the same site states the company distributes no branded tirzepatide at all. And named physicians and real clinic addresses are genuine transparency, even alongside a gap elsewhere: iThriveMD names five physicians and ten physical clinic locations, confirmed live, though two of its own policy pages render with no substantive legal text. Fast onboarding is a real convenience, but read the fine print on what happens after shipment: MyStart Health promises a roughly 5-minute intake and 24-hour prescription turnaround, confirmed live, though no refund is offered once an order has shipped, under any circumstance. And starting prices are worth publishing, even when the network behind them deserves a second look: Nucore Health lists starting prices from $179/mo, confirmed live, correcting an earlier "fully gated" finding, while its clinical care runs through Beluga Health, a network independently tied to a wider pattern of FDA-warned telehealth peers. A flat dose-independent price is worth more when the network behind it is disclosed too: Prime Health prices compounded semaglutide and tirzepatide flat at every dose, confirmed live, through a clinical network (OpenLoop) also independently tied to a wider pattern of FDA-warned telehealth peers. A repeated network mention in a company's own terms is worth taking seriously: RestorLife Med's Terms of Service name Beluga Health, P.A. as its care provider eight separate times, confirmed live, not a single passing reference. And a one-time-purchase model is a real structural difference worth knowing, even alongside a site-quality gap: Super Healthy Rx offers no auto-billed subscription at all, confirmed live, though its own refund-policy page displays an unfilled template placeholder in place of a real business address. A termination clause is worth reading exactly, not roughly: Velvet Rx's Terms of Use state, confirmed live, that its operating entity may end service "at any time, for any reason or no reason, with or without notice". And four named pharmacies are worth more alongside physicians whose credentials actually check out: Dr. Arevitalize names four compounding pharmacies and two physicians, confirmed live, with both physicians' NPI numbers independently verified as real and active against the federal registry. A three-tier pricing structure is worth reading past the cheapest headline: Gaya Wellness's Foundation tier gives GLP-1 access with no medication included, confirmed live, at $149-199/mo — the medication-included tier runs $349-399/mo instead. A cited statistic is only as good as the source behind it: Knownwell's pricing page states "97% of patients keep weight off after two years," confirmed live, with no linked study or citation anywhere on the same page. And a public company's financial scale doesn't automatically mean industry-standard certification: LifeMD discloses detailed investor metrics as a Nasdaq-listed company, confirmed live, yet carries no LegitScript certification anywhere on its own site. A LegitScript badge's hosting is at least observable when pricing itself can't be checked: Vital Edge's badge is served from LegitScript's own CDN with a published seal ID, confirmed live, even though every price on the site loads from a backend invisible to any static check. And a "monthly" label is worth reading against the actual billing mechanic: Aspen's plan is described as month-to-month, confirmed live, but actually ships three months of medication upfront, billed out in interest-free installments. A real pharmacy-quality standard is worth noting even without a named facility: WeightCare cites PCAB accreditation and USP 797 compliance, confirmed live, though its widely repeated "85,000+ members" claim carries no source or methodology anywhere. A long-operating practice with four physical locations is still worth confirming the price at: Garcia Weight Loss has run since 2000 across four Tampa Bay, FL clinics, confirmed live, though its own site makes zero mention of telehealth despite Facebook ad marketing implying otherwise. And a first-month promo is worth reading against where the price actually lands: The Aesthetic Concierge's oral semaglutide starts at $219, confirmed live, climbing to $679 by the fourth month — the steepest promo-to-maintenance escalation found in recent batches. A founder's credentials are worth checking independently of the marketing copy: Royal Medical Center's founding physician, Dagoberto Rodriguez, MD, is independently confirmed active via the federal NPI registry, with both tirzepatide and semaglutide priced clearly across four dose phases. A platform built specifically around type 2 diabetes is a different starting point than general weight loss: T2D.com integrates prescriber, pharmacy, and delivery into one flow, confirmed live, though its actual pricing sits behind a registration gate this pass couldn't get past. A provider's own claims are worth checking against the federal record behind them: Levity links directly to the Florida license lookup and federal NPI registry for its own named pharmacists and physician, confirmed live — the strongest self-directed verifiability found in recent research. A real, checkable clinical structure is worth more than a marketing claim: Form Health's medical services run through four named P.C. entities across multiple states, confirmed live, alongside a domain-matched LegitScript seal. A broad medication menu is its own kind of value: Ark Health prices compounded and brand-name semaglutide and tirzepatide side by side, confirmed live, alongside Sermorelin and MIC/B12, and a LegitScript seal. A named Chief Medical Officer with a disclosed prior role is worth more than an anonymous provider pool: Ascend Medical's CMO, Dr. Michael Smith, MD, MBA, is disclosed with a specific prior role — previously Chief Medical Director at WebMD, confirmed live. Unusually specific state-by-state disclosure is its own kind of transparency: AVArx publishes exactly which states require a real-time audio versus video visit before prescribing, confirmed live — a level of detail almost no competitor discloses. Understanding who's actually behind a storefront matters for more than weight loss alone: Beluga Health displays a LegitScript seal, confirmed live, and a direct search of the FDA's own warning-letter database turned up no letter naming Beluga Health itself. A named, independently checkable physician and pharmacy is real transparency for a quote-only model: Cabana discloses its physician and pharmacy directly in its own FAQ, confirmed live, and both independently check out against federal and state records. A nine-document legal suite is unusually thorough for this category: CaliberRx publishes substantive privacy, consent, and refund documentation, confirmed live, including candid carve-outs for damaged or temperature-compromised shipments. A major retail brand brings its own kind of consistency: CVS MinuteClinic prescribes only FDA-approved brand-name GLP-1s, confirmed live, at a real $49 consultation fee with no compounded-product risk. A real, itemized price list is worth more than a vague range: DadVantage publishes exact dose-tiered GLP-1 pricing, confirmed live, from a nurse practitioner independently confirmed active via the federal NPI registry. Oral-capsule compounded options are still relatively rare: ElleS offers compounded semaglutide and tirzepatide in oral-capsule form, not just injectable, confirmed live, bundled with Registered Dietitian support. Naming your actual compounding pharmacy is real supply-chain transparency: EllieMD names its compounding pharmacy, Clover, directly, confirmed live — unusual disclosure in a category where most competitors describe pharmacies only generically. Understanding the pharmacy behind a storefront matters as much as the storefront itself: Empower Pharmacy is a large, long-running 503A/503B compounding facility founded in 2009, confirmed live, that supplies many telehealth brands rather than selling to consumers directly. A real physical clinic is worth something even alongside an outsourced telehealth arrangement: EverFit Medical operates an actual Macedonia, Ohio clinic with body-composition scans and red-light therapy, confirmed live, and discloses its Dr Telx partnership in its own footer rather than hiding it entirely. Naming your pharmacy partners with full addresses is real supply-chain transparency: Fridays discloses four partner pharmacies by name and address, confirmed live, alongside a LegitScript seal. Letting patients choose their own pharmacy is a different model than a fixed partner: G-Plans lets you fill your prescription at any pharmacy of your choice, confirmed live, offering both branded and compounded medication options. An oral dissolving tablet format is genuinely rare in this category: HealthHub offers ODT semaglutide and tirzepatide, confirmed live, backed by six named compounding pharmacy partners. A named, credentialed CMO whose specialty matches her bio is worth noting: Hello Alpha's Dr. Loni Belyea independently checks out as active in Internal and Geriatric Medicine via the federal NPI registry, confirmed live, overseeing the broadest brand-name and oral-GLP-1 lineup found in recent research. A supplement stack is not the same category as a prescription drug, and the labeling should make that obvious: AmberHealth's "GLP-1 Natural Support" capsule fully discloses its ingredient list — hops extract, eriocitrin, green tea, chromium — with no proprietary blend hiding the formula, confirmed live, alongside a real 90-day money-back guarantee. A "pharmacy-wholesale" pricing pitch is worth reading against the actual site backing it: Human+ markets an "at-cost" membership model, confirmed live, though the live site's own title tag currently reads "Human+ — mobile homepage mockup" and neither /pricing nor /terms resolves. And not every GLP-1 program is sold directly to individuals: Ilant Health is a value-based obesity-care company distributed exclusively through employers and health plans, confirmed live, with no direct-to-consumer signup path or published pricing anywhere. A real, NPI-verified physician doesn't guarantee a live trust seal behind him: JRNYS's Chief Medical Officer, Dr. Henry Legere, independently checks out as active via the federal NPI registry, confirmed live, though the site's LegitScript badge is a self-hosted image rather than one served live from LegitScript's own CDN. Not every weight-loss program is built for adults only: JumpstartMD's own FAQ discloses it treats adolescents as young as 16, with parental consent, including medication management, confirmed live. And a properly separated medical entity is a real governance signal worth noticing: Klinic's actual prescribing entity is disclosed as "Klinic Medical, PLLC," confirmed live, distinct from its parent technology company — a stronger disclosure than most competitors on this list make. A single real name is worth more than twenty vague ones: LifespanningRx names one genuine physician, Dr. Amy Killen, MD, independently confirmed active via the federal NPI registry, among a 20-person "experts" roster that's really a media-brand advisory board, not a disclosed clinical staff directory. A platform can build real credibility on being narrower, not broader: Maven Clinic states plainly, confirmed live, "We only prescribe FDA-approved medications" — the only provider on this list that explicitly rejects compounded semaglutide and tirzepatide rather than offering it. And a legal document can contradict its own entity name: MDExam's own Privacy Policy refers to itself as both "MD EXAM LLC" and, once, "MD EXAM, Inc.," confirmed live — legally distinct entity types for the same company. Multiple named clinicians are worth checking one by one, not taking as a group: Medical Health Institute's weight-loss price is $100/month, confirmed live, backed by four independently NPI-verified clinicians, alongside a LegitScript seal. Insurance acceptance is a real claim worth reading in the present tense: MEDVidi states plainly, confirmed live and verbatim, that it "doesn't accept insurance" for either its visit fee or medication cost. And a platform's own title tag can say more than its marketing copy: Meto's own homepage title reads "Compounded Peptide Therapy Online," confirmed live — not the insurance-accepting GLP-1 provider a prior hypothesis described. An insurance exclusion is worth reading in the provider's own words: Midi Health's own Terms state plainly, confirmed live and verbatim, that Medicaid and Medi-Cal patients cannot be treated even as self-pay — a real exclusion worth knowing before assuming a menopause-focused platform covers everyone. And a stated service area is worth taking at face value, even over a company's own office location: MultiMedRx's homepage advertises a "$100 fully refundable consultation fee," confirmed live, while a separate page on the same site displays a banner reading "Only $45 to Start!" — two different, unreconciled figures. A published state list beats a vague nationwide claim: Nava Health enumerates its exact 15 served states directly, confirmed live, rather than a vague nationwide claim — a real, checkable list most competitors don't publish. And a stronger sourcing disclosure is worth noting even alongside a weaker trust-seal implementation: Noom Med offers a Certificate of Analysis on request, confirmed live, alongside a disclosure that active ingredients are sourced only from suppliers on the FDA's green list. Published, itemized pricing is worth noticing when a prior hypothesis assumed the opposite: Nu Image Medical's pricing is fully public and itemized, confirmed live — semaglutide injections as low as $99/mo, refuting a prior hypothesis that pricing wasn't disclosed. And a missing legal entity is easy to overlook until you go looking for it: OlleveCare discloses no legal entity name anywhere on the site, confirmed live, despite listing 13 specific served states in its own footer. A real, checkable credential is worth more than marketing copy alone: PRIMO Health Partners' founder, Dr. William A. Cooper, MD, independently checks out as a real, active cardiothoracic surgeon via the federal NPI registry, an exact match to his extensively biographied background. And a "discounts and promotions" perk is not the same as a published price: Ravia Health's GLP-1 medication cost is never disclosed anywhere, confirmed live — membership pages mention only "discounts and promotions" as a perk, not an underlying price. A legal document is supposed to agree with the footer above it: Rewinding RX's legal entity name is inconsistent, confirmed live — "LLC" on its own About page, "Ltd" in every page footer. And multiple named clinicians are worth checking one by one, not taking as a group: Rivas Medical Weight Loss's founder and two other named physicians all independently check out as real, active licensees via the federal NPI registry, confirmed live. A bundled price is worth reading closely for what's inside it: RxION Health's advertised prices bundle a $75 non-refundable consultation fee, confirmed live, refundable only if you're not approved for treatment. A bio claim is worth checking against the federal registry it's supposedly backed by: Shapely's Medical Director is bio'd as licensed "across all 50 states," but the federal NPI registry documents active licenses in roughly 13, confirmed on this pass. And your treating provider's identity is worth knowing before you buy, not after: Stealth Health discloses your actual treating provider's name and license state only after your consultation is assigned and reviewed, confirmed live — not before you complete intake. A certification badge is only as good as the domain it actually points to: TD Tele-Doc's LegitScript badge points to a checker page for a domain that independently returns a live 404, confirmed on this pass, not the actual domain visitors are on. And a site's own branding is worth reading before trusting a broader coverage claim: TeleSlim Clinic's own site branding, confirmed live in its page title, reads "Chicago Weight Loss Clinic" — this review found no evidence anywhere on the site of a broader multi-state footprint. A nationwide shipping claim deserves scrutiny from a single-address clinic: The Calibrate Clinic claims nationwide shipping from a single Lafayette, LA address, confirmed live, with no explanation of how that reconciles with state-by-state prescribing licensure. And a named compounding pharmacy is real disclosure worth noticing: This Gen Wellness names its compounding pharmacy directly, confirmed live — Olympia Pharmaceuticals, a real, widely-used 503A/503B facility in Orlando, FL. A disclosed compliance statement is worth reading directly: Transcarent's own disclosed legal language states plainly, confirmed live and verbatim, that paying a membership fee "is not a requirement to receive medical services". And marketing language is worth checking against the legal document underneath it: UR Meds' marketing pages state "No Monthly Membership," confirmed live, while its own legal policy is titled around "membership" and "Subscription Services". Not every GLP-1 program is designed to keep you on the drug indefinitely: Virta Health is built around a "built-in off-ramp" to taper members off GLP-1 medication and back onto nutrition therapy alone, confirmed live — the opposite design goal of most providers on this list. And access can be gated behind a benefit rather than a checkout page: Vida Health bundles GLP-1 prescribing with behavioral coaching through employer and health-plan benefits, confirmed live, but names no individual clinician anywhere on its site. Not every provider makes its GLP-1 offering easy to find: Ways2Well's own published sitemap contains no dedicated semaglutide or tirzepatide product-and-pricing page anywhere, confirmed live, despite offering GLP-1 through its broader longevity platform. And a page's only "clinician" isn't always real: WeightlessRx's sole named clinician sits inside a decorative UI element marked hidden from screen readers in the site's own code, confirmed live. A euphemism-heavy product page is its own kind of finding: Wellspring Longevity Clinic markets "Personalized GLP-1" and "Appetite and Craving Control" without ever naming the actual drug anywhere on that page. The supply data on that market is genuinely alarming and we cover it in peptide injections for weight loss and in our guide to vendor red flags.

And if you compete under anti-doping rules, most of this is settled before the evidence discussion begins. The GH-axis peptides and the research-tier metabolic compounds are banned in tested sport, year-round, and a prescription does not change that. Our prohibited-substance checker gives a per-compound answer, and the WADA 2026 prohibited list for peptides explains how the classes catch compounds that are never named.

Where that leaves the question

The honest ranking is short. Incretin drugs produce the largest human weight loss ever recorded from a peptide, with roughly a quarter to a third of that loss coming from muscle-related indices — a proportion that also shows up, at smaller absolute scale, in people simply dieting. No peptide has been shown to add muscle while losing fat in healthy trained adults. The compounds marketed most confidently for that outcome have the thinnest human evidence in the whole category.

Which makes the practical answer slightly deflating and entirely defensible: the deficit size, the protein, and the training are what determine how much muscle survives a cut, and they are the only inputs with a meta-analysis behind them¹⁷. A drug can change how easy the deficit is to sustain. It cannot change what the deficit does to muscle, and nothing currently sold changes it in the direction the marketing claims.