In November 2023, the FDA added BPC-157 to its list of substances that cannot be used in compounding under the Federal Food, Drug, and Cosmetic Act, citing insufficient safety data for human use 3
Additionally, experts recommend avoiding harsh actives (e.g., retinoids, alpha-hydroxy acids, salicylic acid, etc.), vitamin C, or any active exfoliants while using GHK-Cu peptides
The CoA should come from independent third-party laboratories rather than in-house testing alone
Swelling, redness, or irritation of injection site
Phase 3 TRIUMPH-4 results (68 weeks): 9mg dose: 26.4% average weight loss (29.1 kg) 12mg dose: 28.7% average weight loss (32.3 kg) Placebo: 2.1% average weight loss The 12mg retatrutide group lost an average of 71.2 pounds