bpc-157 human clinical trial musculoskeletal Peptide Therapy for Pain Management and Healing The Power of BPC-157 Peptide:
Description
However, other studies haven't seen a link between low levels of B12 and cognitive problems or an improvement in these symptoms after getting extra doses of B12

One example is PET | TAO Harmonize GI

Do You Need a Prescription to Buy B12 Injections Online No doctor's appointment needed

Plus la dose est leve, moins elle est absorbe faibles ou moyennes doses, galement appeles doses physiologiques celles que lon apporte par lalimentation (y compris, dans ce contexte, la B12 provenant daliments enrichis ou de supplments trs faibles doses) , labsorption dpend du facteur intrinsque scrt et des rcepteurs intestinaux du complexe de Castle, qui rgulent ce processus

A 1993 paper describes an experiment in which rats were implanted with wound chamber models that were subsequently treated with either GHK-Cu or a saline placebo

Your doctor can give you a better idea of what to expect after the infusion