WhatEvidence.Health · Claim Review Topical GHK-Cu copper peptide reduces visible skin aging, including wrinkles, laxity, and uneven skin tone. C Weak Evidence Plausible – but not proven. Small human studies and cosmetic reviews suggest possible skin benefits, but the evidence is older, short-term, and not strong enough to support broad anti-aging claims. Evidence LevelGRADE: Low…
WhatEvidence.Health · Claim Review Retatrutide peptide causes major weight loss and improves metabolic health. B Promising Evidence Strong trial signal — not a consumer peptide. Retatrutide has caused large weight loss in clinical trials, but it is still investigational and should not be bought or injected outside a regulated clinical trial. Evidence LevelModerate for trial…
WhatEvidence.Health · Claim Review BPC-157 (Body Protection Compound-157) accelerates healing of injuries, repairs the gut, and offers wide-ranging health benefits in humans. C Weak Evidence Highly promising in animal models — but fewer than 30 humans have ever been studied. No randomised trials exist. Not approved anywhere in the world. Evidence LevelGRADE: Very Low ●○○○…