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doi:10.1210/jc.2011-0179 Sikiric P, Hahm KB, Brcic L, et al

Anecdotal research protocols use approximately 400 mcg administered intranasally once daily, typically in the morning

While GHK-Cu works systemically, rotating injections near problem areas (around the abdomen, upper arms, or thighs) can provide both systemic and localized benefits simultaneously

You can review the FDAs compounding framework here

In addition to promoting collagen and bone tissue regeneration, BPC-157 has anti-inflammatory properties that reduce swelling and pain associated with bone injuries

The FDA considers it a non-toxic substance under the Generally Recognized as Safe (GRAS) classification for specific applications