bpc-157 case report human BPC-157: Miracle Healing Peptide or Hidden Danger? BPC 157 Before and After:
Description
It is involved in regulating sleep, particularly in promoting rapid eye movement (REM) sleep

Complications of vitamin B12 deficiency anaemia: problems with the nervous system temporary infertility heart conditions What do vitamin b12 injection do for you
These include vomiting, nausea, and diarrhea

You may also have numb or tingly hands and feet, which are signs of nerve problems

Silberstein J, Downs T, Goldstein I