Copper peptides like AHK-Cu have been studied in cosmetic and dermatological research for years with a good safety profile in topical applications
It also makes the vial harder to access cleanly when drawing doses
10.1074/jbc.M111.253039 Summary Keywords stable gastric pentadecapeptide BPC 157, fistula, bleeding disorder, concept practical applicability, wound healing Citation Seiwerth S, Milavic M, Vukojevic J, Gojkovic S, Krezic I, Vuletic LB, Pavlov KH, Petrovic A, Sikiric S, Vranes H, Prtoric A, Zizek H, Durasin T, Dobric I, Staresinic M, Strbe S, Knezevic M, Sola M, Kokot A, Sever M, Lovric E, Skrtic A, Blagaic AB and Sikiric P (2021) Stable Gastric Pentadecapeptide BPC 157 and Wound Healing
Some people notice improvement within weeks, while others may take longer
It goes straight into your bloodstream, so your body can use it right away
RELATED: What Top Researchers Warn Is Killing Your Neurons Right Now I know somebody who tests some of these batches, he notes, and he says one out of ten he sees is not right