US$ 24.82
bpc-157 peptides austin tx Injectable Peptide for Healing & Recovery Buy BPC-157 10mg - Research
Description
IM injections are often recommended for individuals with more severe B12 deficiencies who require rapid replenishment

BPC 157 is a synthetic peptide developed from a protein found in the stomach

Not sure it would occur that fast, but they seemed to brush it off so I doubt it would prevent you from getting a second dose, assuming you have educated medical personnel administering the dose and that you did not have anaphylaxis with the first dose
Additionally, inhibition of NNMT using MNAM resulted in a decline in performance during anaerobic endurance exercise in rats (Zhou et al., 2018)

We recommend future research directions to determine when to start with SL, IM, or oral vitamin B12 in different situations
