Peptide comparisons

Two or three peptides side by side: the evidence for each goal, legal status, side effects and where to get each one.

ComparisonBPC-157 vs TB-500BPC-157 vs TB-500, often injected together as the Wolverine stack. Neither has human evidence for injury healing. The evidence and legal status, compared. ComparisonGHK-Cu vs AHK-CuGHK-Cu vs AHK-Cu, two copper peptides one amino acid apart. For skin, GHK-Cu has small human trials. For hair, neither has human evidence. ComparisonGHK-Cu vs BPC-157GHK-Cu vs BPC-157, often sold together in GLOW blends. GHK-Cu has small human skin trials; BPC-157's evidence is almost all animal. Compared. ComparisonSemaglutide vs RetatrutideSemaglutide is approved with heart and kidney outcome data. Retatrutide is still in phase 3 and can't be bought legally. Evidence and prices compared. ComparisonSemaglutide vs Tirzepatide vs RetatrutideThree weekly weight-loss drugs side by side: weight loss in trials, approved uses, side effects, self-pay prices and which can be bought legally. ComparisonSemaglutide vs TirzepatideOzempic and Wegovy vs Mounjaro and Zepbound. Tirzepatide led to more weight loss head to head; semaglutide has more approved uses and a pill. ComparisonTirzepatide vs RetatrutideTirzepatide is approved and legally available; retatrutide is still in phase 3. Trial weight loss, side effects and availability, compared.

See also peptide stacks and the peptide regulatory tracker. This page is for education and is not medical advice.