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McKnight, as a professional, cant hide behind not knowing better

Staresinic M, et al

In terms of safety, B12 is naturally occurring in the body and therefore (even in large doses) is relatively safe

BPC-157 (Body Protection Compound-157) is a 15-amino-acid synthetic peptide gaining popularity for its supposed he aling benefits from repairing gut lining to accelerating muscle and tendon recovery

Recovery timelines vary by condition, but many patients notice improvements within a few weeks

If you have to pick one, the decision usually comes down to whether your primary issue is soft-tissue injury (either works) or gut inflammation (BPC-157)