bpc 157 evidence human clinical trials review safety regulatory status Heal or Harm: Body Protective Compound-157 in the Gray Zone BPC-157 FDA Approval Status: Is
Description
28 Bertoglio, K., Jill James, S., Deprey, L., Brule, N

In addition to NAM, NNMT also methylates structural analogs of NAM, such as pyridines, quinoline, isoquinoline, thionicotinamide, and others [6]

Why would you do this
Because of this, I recommend any patient who is symptomatic and has suboptimal levels of vitamin B12 (as defined above) consider a trial of sublingual B12