Over-the-counter B12 injections are widely available, so you won't need a prescription for them
Whether restoring youthful GHK-Cu levels would have clinically meaningful effects on aging is speculative
When to stop Stop the protocol and contact your provider if you experience persistent redness or swelling at injection sites beyond 72 hours, fever, or any systemic symptom that does not correlate with the expected mild post-injection reaction
Low serotonin levels can result in sadness, lack of motivation, or even depressive symptoms
Xiang L, Yang J, Rao J, Ma A, Liu C, Zhang Y, et al
BPC-157 is a stable 15-amino-acid peptide derived from a human gastric protein