Claim checks

Popular claims, checked against the data.

What people say about a peptide vs. what the evidence actually supports. Verdicts describe the state of the evidence, not invented study results. Open any to see the receipts on its peptide page.

31 claims checked across 13 compounds.

Claim
Verdict
Compound
Improves libido
Holds
PT 141
Best weight-loss results ever seen
Holds
Retatrutide
Causes major weight loss
Holds
Semaglutide
Reduces visceral fat
Holds
Tesamorelin
Most effective weight-loss drug available
Holds
Tirzepatide
Reverses skin aging
Partial
GHK CU
Works for everyone
Partial
PT 141
Matches bariatric-surgery results
Partial
Retatrutide
Muscle loss makes it not worth it
Partial
Semaglutide
Better than semaglutide for everyone
Partial
Tirzepatide
Heals tendons and injuries
~ Too early
BPC 157
Fixes gut / GI issues
~ Too early
BPC 157
Safely boosts growth hormone
~ Too early
CJC 1295
Builds muscle
~ Too early
CJC 1295
Reverses aging / boosts metabolism
~ Too early
Mots C
Speeds muscle and injury recovery
~ Too early
TB 500
Long-term safety is fully established
~ Too early
Tirzepatide
Lengthens telomeres in humans
? Unverified
Epitalon
Extends human lifespan
? Unverified
Epitalon
Regrows hair
? Unverified
GHK CU
Provides systemic anti-aging benefits
? Unverified
GHK CU
Also treats knee osteoarthritis
? Unverified
Retatrutide
Is an anti-aging / longevity drug
? Unverified
Semaglutide
General anti-aging GH therapy
? Unverified
Tesamorelin
Completely safe / no side effects
! Safety caveat
BPC 157
Boosts growth hormone with no downsides
! Safety caveat
Ipamorelin
Safe way to tan
! Safety caveat
Melanotan II
Safe for regular use
! Safety caveat
TB 500
Proven in humans
× False / unsupported
BPC 157
Better tolerated than tirzepatide
× False / unsupported
Retatrutide
Cures type 2 diabetes
× False / unsupported
Semaglutide
Tier boardStart by goalHow we judge claims

Research reference only. Not medical advice. Verdicts reflect evidence maturity, not invented results.

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