Research
Evidence-based research
Peptide Sport covers peptide therapy broadly — recovery and growth-hormone peptides, the GLP-1 drugs, NAD+ and the compounds sold alongside them — and every claim is tied to primary research or official labeling. Search by compound, brand name or topic, or browse by group. Each piece shows how many primary sources it cites, and whether it grades the compounds it covers on an explicit evidence tier rather than leaving the verdict buried in prose.
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139 articles
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/ GH peptides & sermorelin
CJC-1295 + Ipamorelin Dosage: What Studies Used vs What Clinics Sell
The 100 mcg + 100 mcg CJC-1295/ipamorelin protocol comes from forums, not trials. What human studies actually dosed, the DAC difference, and the vial math.
10 sourcesUpdated Aug 2026
Tesamorelin Dosage: The Only GH Peptide With a Real Labeled Dose
Tesamorelin has a real FDA-labeled dose: 1.4 mg daily as Egrifta SV, 1.28 mg as Egrifta WR — approved for HIV lipodystrophy, not for fat loss.
11 sourcesUpdated Aug 2026
Sermorelin vs Ipamorelin: The Real Differences
Sermorelin is a GHRH analog, ipamorelin a ghrelin-mimetic secretagogue. Different receptors, and very different amounts of human evidence behind them.
15 sourcesGraded evidence tiersUpdated Aug 2026
MK-677 Dosage and Side Effects: What the Trials Measured
MK-677 trials dosed 10-50 mg, most 25 mg. Measured at that dose: higher fasting glucose, lower insulin sensitivity, edema — and one trial stopped for safety.
14 sourcesUpdated Aug 2026
Sermorelin Cost: Priced Without a Brand
Compounded sermorelin ran a median of $185 a month, range $139 to $360, in our August 2026 checks of 23 providers. What moves the number, and what to verify.
12 sourcesUpdated Aug 2026
Peptides for Athletic Recovery: What the Evidence Shows
An evidence-based look at sermorelin and GH-secretagogue peptides for athletic recovery — what the research actually proves, and what it does not.
12 sourcesGraded evidence tiersUpdated Jul 2026
Does Sermorelin Help Athletes?
Does sermorelin help athletes? An honest, evidence-based answer: the GHRH(1-29) trial data and the GH-in-athletes meta-analysis say no proven benefit.
6 sourcesUpdated Jul 2026
GH Peptides and Recovery: The Real Evidence
GH and IGF-1 recovery physiology explained honestly: what the science shows about growth hormone, sleep, and muscle repair — and what it does not prove.
6 sourcesUpdated Jul 2026
Ipamorelin + CJC-1295: The Athlete's GH Stack, Examined
The ipamorelin + CJC-1295 stack reliably raises GH and IGF-1 — but no human trial shows it improves body composition or performance. An honest evidence review.
11 sourcesGraded evidence tiersUpdated Jul 2026
Sermorelin for Muscle Growth & Bodybuilding: What the Evidence Says
Sermorelin raises your own growth hormone — but no human trial shows it builds muscle. An honest look at the dosing folklore, the proof gap, and the WADA ban.
9 sourcesGraded evidence tiersUpdated Jul 2026
Ipamorelin Side Effects: What the Evidence Actually Shows
Ipamorelin is sold as a 'clean' GH peptide, but its side-effect profile in humans is barely studied. An honest, citation-backed review of what's known.
11 sourcesGraded evidence tiersUpdated Jul 2026
IGF-1 LR3: What the Evidence Shows
IGF-1 LR3 is a long-acting IGF-1 analog sold for muscle growth. Honest review: animal-only data, no human trials, WADA-banned, and a real cancer-signal caution.
13 sourcesGraded evidence tiersUpdated Jul 2026
CJC-1295 With DAC vs No DAC (Mod GRF 1-29): The Real Difference
DAC makes CJC-1295 a multi-day GH "bleed"; no-DAC (Mod GRF 1-29) is a short pulse. What the one human PK study shows — and what it doesn't.
11 sourcesGraded evidence tiersUpdated Jul 2026
MK-677 (Ibutamoren): What the Evidence Shows
MK-677 reliably raises GH and IGF-1, but the 1-year trial found no strength or function gain. Honest review: never FDA-approved, edema, glucose, WADA-banned.
12 sourcesUpdated Jun 2026
GHRP-2 vs GHRP-6 vs Hexarelin: How They Actually Differ
GHRP-2, GHRP-6 and hexarelin compared: real differences in appetite, selectivity and cardiac effects, but athletic benefit is unproven and all are WADA-banned.
10 sourcesGraded evidence tiersUpdated Jul 2026
HGH Fragment 176-191: Fat-Loss Evidence or Hype?
HGH Fragment 176-191 burns fat in mice but has no human trials proving it works. An honest, citation-first look at the science behind the hype.
10 sourcesGraded evidence tiersUpdated Jun 2026
Tesamorelin for Athletes: What the Evidence Actually Shows
Tesamorelin is FDA-approved for HIV belly fat, not athletes. The performance case is off-label, WADA-banned, and unproven. An honest, citation-first review.
11 sourcesGraded evidence tiersUpdated Aug 2026
Myostatin Inhibitors: Follistatin-344 & ACE-031
Myostatin inhibitors like ACE-031 and follistatin block a muscle-growth brake, but ACE-031 was halted for bleeding. An honest, evidence-first review.
11 sourcesGraded evidence tiersUpdated Jul 2026
PEG-MGF (Mechano Growth Factor): Satellite-Cell Evidence & Reality Check
PEG-MGF is a PEGylated IGF-1 splice variant sold for muscle growth. Honest review: satellite-cell data is preclinical-only, zero human trials, WADA-banned.
11 sourcesGraded evidence tiersUpdated Jul 2026
Tesamorelin Side Effects: What the FDA Label and Trials Actually Report
Tesamorelin is FDA-approved, so its side effects come from a real label, not folklore. Real incidence rates for arthralgia, edema, and glucose changes.
4 sourcesUpdated Aug 2026
Sermorelin Before & After: What the Photos Do Not Show
Sermorelin raises growth hormone. Pooled human data on that hormone found the lean-mass gain was largely fluid, with no strength or performance benefit.
4 sourcesGraded evidence tiersUpdated Aug 2026
Sermorelin Dosage: Where the Numbers Come From
Every sermorelin protocol online traces to clinic practice rather than a trial in healthy adults. Here is what that means, plus the mcg-to-units arithmetic.
4 sourcesUpdated Aug 2026
/ BPC-157
BPC-157 Benefits: Every Claim, Graded by the Evidence Behind It
The claimed benefits are real findings — in rats. We list each one, name the study type behind it, and mark which have ever been tested in a human.
3 sourcesUpdated Aug 2026
BPC-157 for Healing & Recovery: What the Evidence Actually Shows
BPC-157's healing claims rest almost entirely on rodent studies — no robust human trial exists. An honest, citation-first look at the evidence and the risks.
15 sourcesGraded evidence tiersUpdated Aug 2026
BPC-157 + TB-500 Stack: What the Evidence Says About the Popular Recovery Combo
The BPC-157 + TB-500 "heal anything" stack is built on rodent data and anecdotes — no human trial tests the combo. An honest, citation-first evidence review.
16 sourcesUpdated Aug 2026
BPC-157 Dosage: What People Use (and What's Actually Unknown)
There is no FDA-validated BPC-157 dose. Common protocols are extrapolated from rat studies. An honest look at the numbers, the unknowns, and the risks.
11 sourcesUpdated Aug 2026
Does Oral BPC-157 Work? Capsules vs Injection, Honestly
Oral BPC-157 capsules are everywhere. The gut data is genuinely oral; the recovery claims aren't. What the evidence actually supports — and what it doesn't.
13 sourcesUpdated Jun 2026
BPC-157 Before & After: What's Realistic vs. What's Marketing
There are no human before-and-after recovery trials of BPC-157 — it's preclinical only. What the rat studies show, why timelines are unknown, and the red flags.
11 sourcesUpdated Aug 2026
BPC-157 Nasal Spray: Does Intranasal Delivery Actually Work?
BPC-157 nasal sprays are sold for systemic recovery and "nose-to-brain" effects. There's no human PK showing either works. What the evidence really says.
13 sourcesUpdated Jun 2026
BPC-157 vs TB-500: Which Healing Peptide Is Better?
BPC-157 vs TB-500 compared honestly: local vs systemic action, mechanism, and evidence. Both rest on animal data, both are WADA-banned, neither is FDA-approved.
12 sourcesGraded evidence tiersUpdated Jun 2026
BPC-157 for Tendonitis: Dosing, Timeline & Evidence
Rat Achilles studies are genuinely encouraging and the mechanism is plausible — but there are zero human tendinopathy trials. An honest, citation-first review.
12 sourcesGraded evidence tiersUpdated Jun 2026
How Long Does BPC-157 Take to Work?
Forums claim days. Honest answer: any fast effect is inflammation modulation, not healing — and every BPC-157 timeline is extrapolated from animal data.
12 sourcesUpdated Jun 2026
BPC-157 for Nerve Pain & Sciatica: What the Evidence Actually Shows
BPC-157's nerve-healing data come from rat sciatic-nerve studies — no human trial exists for sciatica or nerve pain. An honest, citation-first evidence review.
6 sourcesGraded evidence tiersUpdated Jul 2026
BPC-157 Side Effects: What's Actually Known (and What Isn't)
BPC-157's animal safety looks favorable, but no human safety trial exists. An honest, cited look at reported side effects, theoretical risks, and vial danger.
8 sourcesGraded evidence tiersUpdated Jul 2026
BPC-157 FDA Status After the 2026 Advisory Vote
An FDA advisory panel backed BPC-157 8–6–1 — for ulcerative colitis, not tendons. What the vote means, what it doesn't, and what still has to happen.
9 sourcesUpdated Aug 2026
/ TB-500 & thymosin
TB-500 Before & After: What the Evidence Actually Shows
No human trial has tested TB-500 for injury or recovery. What the thymosin β4 animal and dry-eye data show, and why every before-and-after is an anecdote.
15 sourcesGraded evidence tiersUpdated Aug 2026
TB-500 (Thymosin β4) for Recovery: What the Evidence Shows
TB-500's recovery claims rest on animal and lab studies of thymosin β4 — no robust human trial exists. An honest, citation-first evidence review.
13 sourcesGraded evidence tiersUpdated Jul 2026
Thymosin Alpha-1 for Athletes & Immune Support: The Evidence
Thymosin alpha-1 is a real immune-modulating drug in disease — but there is zero proven recovery or performance benefit for healthy athletes. An honest review.
11 sourcesGraded evidence tiersUpdated Jun 2026
TB-500 Dosage: What People Use (and What's Actually Unknown)
There is no validated human TB-500 dose. The 'loading then maintenance' protocols are folklore extrapolated from animal work — an honest, cited look.
6 sourcesUpdated Jul 2026
TB-500 Side Effects: What's Known, Theoretical, and Unknown
No human trial has measured TB-500's side effects. An honest look at the anecdotal effects, the theoretical cancer concern, and the real gray-market risks.
12 sourcesGraded evidence tiersUpdated Jul 2026
TB-500 FDA Status: What the PCAC Vote Did and Didn't Do
An FDA panel backed TB-500 8–6–1 — for wound healing, not injury repair. The vote, the identity problem FDA raised, and what still has to happen.
9 sourcesUpdated Aug 2026
/ Injury, pain & repair
Best Peptides for Recovery & Healing: An Evidence Ranking
Which recovery peptides actually have human proof? An honest, citation-first ranking of BPC-157, TB-500, and GH peptides — where the evidence stops at rats.
12 sourcesUpdated Jul 2026
Peptides for Injury & Tendon Repair: What the Evidence Actually Shows
The tendon and injury claims for BPC-157, TB-500 and GH peptides are almost all animal data. An honest, citation-first look at what's proven in humans.
16 sourcesGraded evidence tiersUpdated Jun 2026
The "Wolverine Stack" (BPC-157 + TB-500), Examined
"Wolverine stack" is the viral nickname for BPC-157 + TB-500. We trace where the name came from, what marketers claim, and what the evidence actually shows.
17 sourcesUpdated Jun 2026
GHK-Cu (Copper Peptide) for Recovery & Skin: The Evidence
GHK-Cu has real wound-healing and collagen science — but mostly topical and in-vitro. Injectable systemic-recovery claims are unproven. An honest review.
12 sourcesGraded evidence tiersUpdated Aug 2026
Peptides for Bone & Fracture Healing: What the Evidence Shows
One rabbit study had BPC-157 rivaling a bone graft — but there are zero human fracture trials and these peptides are WADA-banned. An honest, cited review.
10 sourcesGraded evidence tiersUpdated Jun 2026
Peptides for Rotator Cuff & Shoulder Injuries: The Evidence
BPC-157 and TB-500 are marketed for rotator cuff tears. The animal data is real; human shoulder evidence is absent. An honest, citation-first review.
12 sourcesGraded evidence tiersUpdated Jun 2026
Peptides for Knee Injuries (ACL, Meniscus, Cartilage)
BPC-157 is marketed for post-ACL recovery and meniscus tears. Honest review: knee ligament data is rat-only and human knee evidence is one weak case series.
13 sourcesGraded evidence tiersUpdated Jun 2026
Peptides for Back Pain & Herniated Disc: What the Evidence Says
Can BPC-157 or TB-500 heal a herniated disc? No human disc-regeneration data exists, and peptides won't reverse a large extrusion. An honest evidence review.
10 sourcesGraded evidence tiersUpdated Jul 2026
Peptides for Plantar Fasciitis & Achilles: Any Evidence?
BPC-157 is marketed for plantar fasciitis and Achilles pain. Honest review: the angiogenesis mechanism is animal-only and there's zero human foot RCT.
10 sourcesGraded evidence tiersUpdated Jun 2026
Peptides for Arthritis & Joint Pain (OA vs RA): The Evidence
BPC-157 is marketed for arthritis and joint pain. Honest review: only human data is one uncontrolled 16-patient knee case series; FDA-unapproved, WADA-banned.
13 sourcesGraded evidence tiersUpdated Jun 2026
KPV Peptide: The Anti-Inflammatory Tripeptide, Honestly Reviewed
KPV is an anti-inflammatory tripeptide with real mechanism and strong animal colitis data — but no human trials. An honest, citation-first review.
11 sourcesGraded evidence tiersUpdated Jul 2026
KPV FDA Status: The Vote, and What It Was Actually For
An FDA panel backed KPV 8–6–1 for wound healing and inflammatory conditions. What the vote covered, what it didn't, and what still has to happen.
10 sourcesUpdated Aug 2026
/ Fat loss & metabolic
Retatrutide Cost: The Two Published Prices We Found
We checked six sellers of retatrutide. Two published a price. Here are both figures, what they buy, and why the silence from the other four matters.
2 sourcesUpdated Aug 2026
AOD-9604 for Fat Loss: Does the Evidence Hold Up?
AOD-9604 burned fat in obese mice but failed to beat placebo in its large human obesity trial. An honest, citation-first look at the fat-loss claims.
11 sourcesGraded evidence tiersUpdated Aug 2026
MOTS-c: The "Exercise Mimetic" Peptide — Does It Work?
MOTS-c has striking rodent endurance and mitochondrial data — but zero human performance trials. An honest, citation-first evidence review.
12 sourcesGraded evidence tiersUpdated Aug 2026
Retatrutide for Athletes: Triple-Agonist Recomp Evidence (& WADA Status)
Retatrutide drove ~24% weight loss in a Phase 2 obesity trial — but it's not FDA-approved and is WADA-prohibited. An honest, citation-first read for athletes.
9 sourcesGraded evidence tiersUpdated Aug 2026
Peptides for Fat Loss: What Actually Works vs Hype (Recomp Guide)
An honest, goal-routed guide to peptides for fat loss and recomp. What the evidence shows for each option, what's hype, and why the basics still win.
4 sourcesGraded evidence tiersUpdated Aug 2026
5-Amino-1MQ: What the Evidence Shows for Fat Loss and Body Composition
5-Amino-1MQ is an NNMT inhibitor marketed for fat loss and NAD+. Honest review: the data is mouse-only — no human trials, not FDA-approved, gray-market.
3 sourcesGraded evidence tiersUpdated Aug 2026
5-Amino-1MQ Dosage: What the 'Protocols' Use and Why None Are Clinically Validated
There is no clinically validated human dose of 5-Amino-1MQ. The common 50–150 mg/day capsule 'protocols' are extrapolated from mouse studies, not trials.
2 sourcesUpdated Jun 2026
5-Amino-1MQ Results: What to Realistically Expect (and What's Proven)
5-Amino-1MQ 'results' are anecdotal — every efficacy finding is from mice. No human trial exists, so any before-and-after is uncontrolled and diet-dependent.
3 sourcesUpdated Jun 2026
5-Amino-1MQ Side Effects & Safety: An Honest Look at the Unknowns
Is 5-Amino-1MQ safe? The honest answer: nobody knows. There is essentially no human safety data — only mouse and cell studies. Here is what that means.
2 sourcesUpdated Jun 2026
Is 5-Amino-1MQ Legit, or Just Hype? An Honest Verdict
Is 5-Amino-1MQ legit? The NNMT mechanism is real science, but the human fat-loss claims are unproven hype — a research compound, not a proven supplement.
2 sourcesUpdated Jun 2026
Does 5-Amino-1MQ Boost NAD+? The Mechanism, Honestly
5-Amino-1MQ inhibits NNMT, which could in theory spare a NAD+ precursor. We explain the plausible biochemistry honestly — and why no human study proves it.
2 sourcesUpdated Jul 2026
5-Amino-1MQ vs MOTS-c: Two 'Metabolic' Compounds, Honestly Compared
5-Amino-1MQ vs MOTS-c: both sold for fat loss and metabolism, but one is a mouse-only small molecule and one is a peptide. Honest, evidence-first comparison.
5 sourcesUpdated Jun 2026
5-Amino-1MQ vs AOD-9604: Two Fat-Loss Compounds That Haven't Proven It
5-Amino-1MQ vs AOD-9604: both marketed for fat loss, neither proven. AOD-9604 has human data — and it failed. 5-Amino-1MQ has none. An honest comparison.
3 sourcesGraded evidence tiersUpdated Jun 2026
MOTS-c FDA Status: Obesity and Osteoporosis, Not Endurance
The FDA panel backed MOTS-c 7–5–2 — reviewed for obesity and osteoporosis, never for endurance or performance. What the vote means and what comes next.
10 sourcesUpdated Aug 2026
NAD+ Injections: What the Human Evidence Actually Shows (2026)
NAD+ shots and IV drips are sold for energy, recovery and aging. A 2026 systematic review found no outcomes trial of injected NAD+ at all. Here's the detail.
5 sourcesGraded evidence tiersUpdated Aug 2026
Retatrutide Side Effects: What the Trials Actually Report
Retatrutide has no FDA label, so there's no official side-effect list — only trial disclosures. What Phase 2, Phase 3, and a new 2026 signal actually show.
7 sourcesUpdated Aug 2026
Cagrilintide: The Amylin Peptide Behind CagriSema — Evidence & FDA Status
Cagrilintide is an unapproved amylin analog now paired with semaglutide as CagriSema. Here's what the actual Phase 2 and Phase 3 trial data show — and don't.
5 sourcesGraded evidence tiersUpdated Aug 2026
Retatrutide Dosage: What Trials Actually Used (There's No Approved Dose)
Retatrutide has no FDA-approved dose — it's still in Phase 3 trials. Here's exactly what dose, titration schedule, and results the actual trials used.
4 sourcesUpdated Aug 2026
Survodutide: The Other Glucagon/GLP-1 Dual Agonist — Evidence & FDA Status
Survodutide is Boehringer Ingelheim's unapproved glucagon/GLP-1 dual agonist, now in Phase 3. Real Phase 2 numbers — efficacy and a 91% adverse-event rate.
4 sourcesGraded evidence tiersUpdated Aug 2026
Retatrutide vs Tirzepatide: One Is Approved, One Is Not
Three receptors versus two, and Phase 2 versus Phase 3 and approval. The comparison people want is efficacy; the one that matters is evidence stage.
4 sourcesUpdated Aug 2026
NAD+ IV Therapy: The Route With the Least Evidence
The oral precursors have randomized trials and meta-analyses. The IV route — the most expensive and most marketed — has essentially none.
6 sourcesUpdated Aug 2026
/ Muscle, performance & the rest
The "Best" Peptide Stack: What Each One Rests On
Wolverine, Glow, KLOW and the rest — what each named peptide stack contains, what its evidence base actually is, and why none of them is trial-tested.
0 sourcesUpdated Aug 2026
Tirzepatide Side Effects: What the Trials Actually Recorded
Nausea in about one in four, discontinuation under 7%, a boxed warning built on rat data. What the SURPASS and SURMOUNT trials recorded, dose by dose.
10 sourcesUpdated Aug 2026
Semaglutide Cost: The Same Molecule, Priced Four Ways
Ozempic and Wegovy list near $1,000-$1,349 a month, Novo sells direct from $149, and compounded telehealth ran $125-$349 in our August 2026 checks. The map.
10 sourcesUpdated Aug 2026
Semaglutide Dosage: The Chart, and the Units Trap
The labeled ladders for Wegovy, Ozempic, and Rybelsus are public. The danger is a compounded vial dosed in milligrams while your syringe is marked in units.
12 sourcesUpdated Aug 2026
How Does Tirzepatide Work? The Dual Mechanism
It activates two gut-hormone receptors at once — GLP-1 and GIP. The second receptor is what semaglutide lacks, and it likely explains the head-to-head gap.
12 sourcesUpdated Aug 2026
Tirzepatide Cost: What a Month Really Runs
Zepbound self-pay runs $299 to $699 a month by dose. Compounded tirzepatide medians about $289 in our checks — most advertised prices hide a commitment lever.
11 sourcesUpdated Aug 2026
Is Semaglutide Safe? What the Evidence Actually Shows
Nausea in 44%, 6.8% quit trials, a rat-data boxed warning — and 20% fewer major cardiac events in SELECT. What is established, what is a signal, what is not.
15 sourcesGraded evidence tiersUpdated Aug 2026
Semaglutide Before & After: What the Trial Numbers Show
Semaglutide's measured before and after: 14.9% average loss at 68 weeks, half reaching 15%, a plateau after the first year, two-thirds regained on stopping.
10 sourcesUpdated Aug 2026
What Is Peptide Therapy? An Honest Definition (2026)
Peptide therapy is a marketing umbrella, not one treatment. What clinics sell, sorted into three honest bins: approved drugs, compounded, research chemicals.
15 sourcesUpdated Aug 2026
Peptides for Endurance: What the Evidence Shows (2026)
MOTS-c, SS-31, 5-amino-1MQ, AICAR and EPO peptides are all sold for endurance. Not one has a controlled human trial showing a performance gain.
15 sourcesGraded evidence tiersUpdated Aug 2026
Tirzepatide Pills: What Exists and What Doesn't
No tirzepatide pill is FDA-approved — Mounjaro and Zepbound are weekly injections. What oral GLP-1s actually exist, what is coming, and what sellers ship.
13 sourcesUpdated Aug 2026
Best Peptides for Muscle Growth: An Evidence Ranking
We graded 11 muscle-growth peptides against our own evidence tables. None has human proof it builds muscle, and all 11 are WADA-banned. The honest ranking.
16 sourcesGraded evidence tiersUpdated Aug 2026
Peptides vs SARMs for Recovery & Muscle: An Honest Comparison
Peptides and SARMs work via different mechanisms. SARMs carry real hormone and organ risks; both are unapproved and WADA-banned. An honest evidence comparison.
12 sourcesGraded evidence tiersUpdated Jun 2026
SS-31 (Elamipretide): Mitochondrial Peptide for Endurance?
SS-31/elamipretide just earned its first FDA approval — for an ultra-rare disease. Aged-mouse endurance data is real; healthy-athlete trials are zero.
13 sourcesGraded evidence tiersUpdated Jun 2026
DSIP Peptide: Does It Actually Improve Sleep and Recovery?
DSIP (delta sleep-inducing peptide) is sold for sleep and recovery. Honest review: decades-old, contradictory human data and no modern athletic trials.
9 sourcesGraded evidence tiersUpdated Jun 2026
Kisspeptin: What the Evidence Shows for Testosterone, Libido & PCT
Kisspeptin is sold to athletes for testosterone, libido, and post-cycle recovery. Honest review: real human endocrine data, but no proof it works as a PCT drug.
8 sourcesGraded evidence tiersUpdated Aug 2026
Semax vs Selank: Focus vs Calm — What the Evidence Actually Shows
Semax vs Selank for athletes: focus and neuroprotection vs anxiety and stress. Honest comparison of two Russian nasal peptides built mostly on non-Western data.
6 sourcesGraded evidence tiersUpdated Jul 2026
Are Peptides Legal? The 2026 Status, Honestly Explained
Peptides sit in three different legal buckets, and most sites confuse them. 503A vs 503B, research chemicals vs compounding, and what the 2026 vote changed.
11 sourcesUpdated Aug 2026
Semax FDA Status: A Stroke Indication, Not a Nootropic Win
The FDA panel backed Semax 8–5 — for cerebral ischemia, migraine and trigeminal neuralgia. Not focus, not cognition. What the vote actually covered.
9 sourcesUpdated Aug 2026
Epitalon FDA Status: An Insomnia Vote, With No Efficacy Data
The FDA panel backed Epitalon 7–5–1 for insomnia — while FDA reviewers said there was no published efficacy data for it. Longevity was never reviewed.
9 sourcesUpdated Aug 2026
The 503A Bulks List, Explained: Category 1 vs Category 2
What 503A, 503B, the bulks list and categories 1, 2 and 3 actually mean — and why none of them is permission to compound a peptide.
7 sourcesUpdated Aug 2026
Peptides for Weight Loss and Muscle Gain: Does Any of It Work? (2026)
Can a peptide strip fat and add muscle at once? What the incretin body-composition data actually show, and why the recomp pitch outruns the evidence.
7 sourcesGraded evidence tiersUpdated Jul 2026
Peptide Injections for Weight Loss: What's in the Vial (2026)
Which weight-loss peptide injections have real trial data, how approved and compounded and gray-market vials differ, and what testing found inside them.
7 sourcesUpdated Aug 2026
Are Peptides Bad for You? An Honest Risk Breakdown (2026)
"Peptides" covers insulin and an unlabeled vial from a website. The risk depends entirely on which one, and the measured data is worse than most expect.
6 sourcesUpdated Aug 2026
What Do Peptides Do for the Body? The Biology, Explained (2026)
Peptides are short chains of amino acids that carry messages between cells. What that means biologically — and why it doesn't imply what the marketing claims.
2 sourcesUpdated Jul 2026
What Are Peptides Good For? Goal by Goal, Graded (2026)
Weight loss, muscle, injury repair, sleep, longevity: which goals have peptides with real human evidence, and which run on mechanism stories.
7 sourcesGraded evidence tiersUpdated Aug 2026
Melanotan II: What the Research Actually Shows About the "Tanning Peptide"
Melanotan II is sold as an injectable tan. It has never been FDA-approved, and case reports link it to melanoma, priapism, and eruptive moles. The evidence.
8 sourcesGraded evidence tiersUpdated Aug 2026
PT-141 (Bremelanotide): Evidence, FDA Status, and What's Actually Approved
Bremelanotide is FDA-approved as Vyleesi — the rare case where 'PT-141' and an approved drug are the same molecule. Here's what the trials actually showed.
6 sourcesUpdated Aug 2026
Oxytocin as a "Bodybuilding Peptide": What the Evidence Actually Shows
Oxytocin is FDA-approved — for labor and postpartum bleeding, not muscle or appetite. Here's what the actual mouse and human data show about those claims.
5 sourcesGraded evidence tiersUpdated Aug 2026
Glutathione Injections: What the Evidence Actually Shows
Sold for skin brightening, but no published trial has tested the injectable route — and a national regulator has issued a specific safety warning against it.
4 sourcesGraded evidence tiersUpdated Aug 2026
Does Semaglutide Cause Hair Loss? What the 2026 Research Actually Found
GLP-1 drugs are linked to real, mostly reversible hair loss — a 2026 systematic review of 24 studies found it's dose-dependent, not just rapid weight loss.
3 sourcesGraded evidence tiersUpdated Aug 2026
The "GLOW" Peptide Blend: What's Actually Tested vs. What's Assumed
GLOW combines GHK-Cu, BPC-157, and TB-500 in one vial. No trial has ever tested that combination — here's what's real, borrowed, and assumed.
3 sourcesUpdated Aug 2026
The "KLOW" Peptide Blend: What's in the Vial, and What Isn't Tested
KLOW is the GLOW blend plus KPV — four peptides in one vial. No trial has tested the combination, and vendors disagree about what's in it.
12 sourcesGraded evidence tiersUpdated Aug 2026
Does Semaglutide or Tirzepatide Cause Muscle Loss? The Real Numbers
GLP-1 drugs cause real lean-mass loss, but a 2026 meta-analysis of 15,000+ people found it's proportionally similar to any rapid weight loss.
3 sourcesUpdated Aug 2026
Is Compounded Semaglutide or Tirzepatide Still Legal in 2026?
The shortage that made mass compounding legal ended in 2025. Here's the actual rule now — 503A/503B, the enforcement deadlines, and what's still allowed.
2 sourcesUpdated Aug 2026
"Ozempic Face": What Actually Causes It, According to the Research
"Ozempic face" isn't just fat loss — a first-of-its-kind 2026 study found GLP-1 drugs may deplete skin stem cells directly. Here's the actual evidence.
2 sourcesGraded evidence tiersUpdated Aug 2026
Are Peptides Steroids? The Straight Answer (2026)
No — different molecule, different receptor, different evidence. But 'not a steroid' is not 'not doping,' and it is not 'proven to build muscle.'
9 sourcesUpdated Aug 2026
Peptides for Hair Growth: What the Evidence Shows (2026)
Copper peptides, thymosin β4, biomimetic blends — what has human hair data and what does not. The two approved hair drugs are not peptides.
6 sourcesGraded evidence tiersUpdated Aug 2026
Is Ozempic a Peptide? Yes — and Why It Matters (2026)
Semaglutide is a 31-amino-acid peptide. It is also the best-evidenced peptide ever sold — which is exactly why the rest of the category borrows its credibility.
4 sourcesUpdated Aug 2026
Peptides for Energy: What the Human Data Shows (2026)
MOTS-c, SS-31 and NAD+ are sold for energy and fatigue. The strongest trial in the group missed its primary endpoint, and one signal runs backwards.
10 sourcesGraded evidence tiersUpdated Aug 2026
Peptides for Sleep: What the Lab Studies Found (2026)
DSIP, epitalon and the GH peptides are sold for sleep. The controlled human studies exist — and one found the opposite of what is advertised.
6 sourcesUpdated Aug 2026
hCG: The Peptide With Real Approvals and a Dead Claim
hCG has genuine approved uses and a fertility role alongside TRT. Its weight-loss claim was tested four times in the 1970s and failed every time.
9 sourcesGraded evidence tiersUpdated Aug 2026
Peptides for Gut Health: The One That Was Tested Properly
BPC-157, KPV and larazotide are sold for leaky gut. Larazotide is the only one that reached Phase 3 — and that trial was halted for futility in 2022.
10 sourcesGraded evidence tiersUpdated Aug 2026
Oral Peptides for Weight Loss: Why Most Cannot Work
Digestion breaks peptides down. The one approved oral GLP-1 needs an absorption enhancer — and the newest oral drug works precisely because it is not a peptide.
7 sourcesUpdated Aug 2026
Peptides for Testosterone: Which Ones Actually Raise It
Most peptides sold to raise testosterone act on growth hormone and never touch it. Three act on the LH axis — and those have real human data.
8 sourcesUpdated Aug 2026
Peptides for Menopause: What Works and What Is Sold
The drug that beat placebo for hot flashes came out of peptide science — and is not a peptide. Most of the peptide menu was never tested in this population.
9 sourcesGraded evidence tiersUpdated Aug 2026
Peptides for Anxiety: Reading the One Trial Carefully
Selank has a real anxiety trial — 62 patients, no placebo arm, in Russian, from the institute that developed it. That is the strongest evidence here.
6 sourcesUpdated Aug 2026
Peptides for Anti-Aging: The 1990 Study That Started It
One 1990 trial of 12 men built the entire anti-aging hormone industry. What happened when the field tested it properly is the story nobody sells.
8 sourcesGraded evidence tiersUpdated Aug 2026
Nootropic Peptides: Where the Human Studies Actually Are
Semax's published literature is overwhelmingly rats. The one brain peptide with a Cochrane review is a porcine brain extract given by IV infusion.
10 sourcesUpdated Aug 2026
Tirzepatide vs Semaglutide: The Head-to-Head Trials
These two were compared directly in randomized trials — rare in this field. What the trials found, and the four differences the results do not capture.
8 sourcesUpdated Aug 2026
Tirzepatide Dosage: The Ladder, and the Units Trap
The approved titration schedule is public. The danger is not the ladder — it is that a compounded vial is dosed in mg while your syringe reads in units.
4 sourcesUpdated Aug 2026
Microdosing Tirzepatide: What Has and Has Not Been Tested
A PubMed search for a microdosing trial returns nothing. The practice may be reasonable — it is not evidence-based, and those are different claims.
4 sourcesUpdated Aug 2026
How Does Semaglutide Work? The Mechanism, Plainly
It copies a gut hormone you already make after eating. Four effects follow — and the mechanism explains both why it works and what the side effects are.
5 sourcesUpdated Aug 2026
/ Anti-doping & law
Are GH Peptides Safe & Legal for Athletes?
WADA status, doping detection, and documented adverse effects of GH and GH-secretagogue peptides — an honest safety and legality guide for athletes.
6 sourcesUpdated Jul 2026
Do Peptides Show Up on Drug Tests? (WADA & Workplace)
Recovery peptides are invisible to standard workplace panels but detectable by WADA/USADA anti-doping assays — and contamination can trigger a positive.
10 sourcesUpdated Aug 2026
Where to Buy Peptides & the "Research Chemical" Gray Zone
How the "research use only" loophole works, why gray-market peptides fail purity testing, and how to read a COA — an honest, evidence-first buying guide.
9 sourcesGraded evidence tiersUpdated Aug 2026
The 2026 FDA Peptide "Reclassification": Myth vs Reality
"BPC-157 was reclassified" is a misreading of a withdrawn nomination. What the 2026 reclassification story actually was, and what the July vote changed.
10 sourcesUpdated Aug 2026
WADA 2026 Prohibited List: What Changed for Peptides
The 2026 WADA List added one peptide (pegmolesatide) and clarified GLP-1 monitoring — but GH peptides and BPC-157 were already banned. An honest read.
11 sourcesUpdated Jul 2026
The FDA Peptide Advisory Vote: What Actually Happened
An FDA advisory panel backed six peptides over the objection of FDA's own scientists. The votes, the indications reviewed, and what still has to happen.
13 sourcesUpdated Aug 2026
/ Buying & handling
How to Reconstitute Peptides: Bacteriostatic Water, Step by Step
Research peptides ship as a freeze-dried powder you have to mix yourself. The concentration math, the water choice, and why none of it is medical advice.
5 sourcesUpdated Jul 2026
Subcutaneous vs. Intramuscular: How to Inject Peptides
Subq vs IM, needle gauge and angle, site rotation, and why 'inject near the injury' is mostly anecdote. A technique explainer — not medical advice.
3 sourcesUpdated Jul 2026
Peptide Cycling: How Long to Run, When to Break
The 4-6 week 'on,' weeks 'off' peptide cycling rules are anecdotal — no human trial set them. Here's the real mechanism behind them, and what's actually known.
10 sourcesGraded evidence tiersUpdated Jul 2026
BPC-157 Cost: Research Vials vs Clinic Pricing (2026)
What BPC-157 actually costs in 2026 — research vials, telehealth, and clinics — and why the cheapest price is usually the biggest red flag.
8 sourcesUpdated Jul 2026
Peptide Vendor Red Flags: Warning Signs of a Scam Source
Fake timers, identical 99.9% purity claims, crypto-only checkout, COA dates that don't add up — a practical scam-detection checklist for peptide buyers.
9 sourcesGraded evidence tiersUpdated Jul 2026
How to Verify a Peptide COA: Reading HPLC/MS & Spotting Fakes
What a real peptide COA must show — HPLC purity, MS identity, a matching lot number, a recent date — and how fake, recycled certificates give themselves away.
10 sourcesGraded evidence tiersUpdated Aug 2026
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