BPC-157 improves tendon healing in humans.
BPC-157Verdict: Mostly Animal Evidence. Last reviewed Jul 1, 2026. Risk signal: High.
Evidence before peptide hype
Check peptide claims before hype becomes a health decision.
Peptide Fact Checks reviews the exact claims spreading through biohacker circles, vendor pages, and social feeds. We show the grade, the source trail, the regulatory context, and what the evidence does not prove.
Educational only. No dosing guidance, protocols, or personalized medical advice.
Start with the exact claim
Reviewed evidence checks
Each page grades one claim as written, then shows the sources and limits behind the verdict.
Epitalon extends human lifespan.
EpitalonVerdict: Unsupported. Last reviewed Jul 1, 2026. Risk signal: High.
GHK-Cu improves skin appearance.
GHK-CuVerdict: Limited Evidence. Last reviewed Jul 1, 2026. Risk signal: Medium.
Ipamorelin increases growth hormone release in human volunteers.
IpamorelinVerdict: Supported. Last reviewed Jul 1, 2026. Risk signal: High.
Ipamorelin is claimed to help with injury recovery in humans.
IpamorelinVerdict: Limited Evidence. Last reviewed Jul 1, 2026. Risk signal: Medium.
Melanotan II is a safe tanning peptide.
Melanotan IIVerdict: Risky. Last reviewed Jul 1, 2026. Risk signal: Critical.
MOTS-c improves metabolic health in humans.
MOTS-cVerdict: Mostly Animal Evidence. Last reviewed Jul 1, 2026. Risk signal: High.
Semax improves focus in humans.
SemaxVerdict: Mostly Animal Evidence. Last reviewed Jul 1, 2026. Risk signal: Medium.
Sermorelin stimulates growth hormone release in humans.
SermorelinVerdict: Supported. Last reviewed Jul 1, 2026. Risk signal: Medium.
TB-500 speeds soft tissue recovery in humans.
TB-500Verdict: Overhyped. Last reviewed Jul 1, 2026. Risk signal: High.
Tesamorelin is proven for general weight loss.
TesamorelinVerdict: Misleading. Last reviewed Jul 1, 2026. Risk signal: High.
Tesamorelin reduces excess abdominal fat in adults with HIV-associated lipodystrophy.
TesamorelinVerdict: Supported. Last reviewed Jul 1, 2026. Risk signal: Medium.
Research notes
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Evidence profiles
Browse common peptide topics, then drill into the claims that have completed evidence review.
BPC-157Reviewed claim availableEpitalonReviewed claim availableGHK-CuReviewed claim availableIpamorelinReviewed claim availableMelanotan IIReviewed claim availableMOTS-cReviewed claim availableSemaxReviewed claim availableSermorelinReviewed claim availableTB-500Reviewed claim availableTesamorelinReviewed claim available
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The Peptide Buyer Red Flag Checklist
A short, practical checklist for spotting overconfident claims, weak COAs, research-use-only sleight of hand, and undisclosed incentives.