The primary reported issues are local: pain, redness, swelling, bruising, or, in rare cases, infection at the injection site if sterile technique is not followed
"The promoting effect of pentadecapeptide BPC 157 on tendon healing involves tendon outgrowth, cell survival, and cell migration." J Orthop Res , 29(6):862-8, 2011
it signals local repair processes
These injections combine hydroxocobalamin with lipotropic compounds (methionine, choline, inositol) purported to support fat metabolism
BPC-157 & TB-500 CAPSULE SET: This research set combines BPC-157 (250mcg per capsule) and TB-500 (500mcg per capsule), two synthetic peptides studied for their roles in angiogenesis, actin regulation, tissue remodeling, and cellular signaling