google scholar bpc 157 The Stable Gastric Pentadecapeptide Pleiotropic Beneficial Activity and Its Possible Relations with Neurotransmitter Activity Frontiers | Pharmacokinetics, distribution, metabolism,

Pyo et al concluded that their research may have provided strong in vitro [data] that AHK-Cu may stimulate hair growth by increasing the proliferation of DPCs, and by preventing their apoptosis. Thus AHK-Cu may act by modulating key checkpoints of the apoptotic machinery while simultaneously encouraging proliferative activity

You can have the most brilliantly designed study in the world, but if your source material is impure, the results will be meaningless

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It is not approved for human or veterinary administration and must not be incorporated into food, cosmetics, pharmaceuticals, or any product intended for biological exposure