Thats part of the problem, says Henry Ellis, a sports medicine surgeon and researcher at the University of Texas, Southwestern, in Dallas, Texas, who has written about BPC-157 for the American Orthopedic Society for Sports Medicine (AOSSM)
Certain intramuscular (Injected into muscle tissue) medications that are prepared in advance and administered in multiple doses, such as specific antibiotics or hormone-based treatments, provided the medication is compatible with benzyl alcohol
In clinical trials of semaglutide injection for type 2 diabetes mellitus (T2DM), cholelithiasis was reported in 1.5% and 0.4% of patients-treated with semaglutide 0.5 mg and 1 mg subcutaneous injection, respectively
In other words, if you are not deficient, adding more B12 does not create an effect, because your body already has what it needs and excretes the excess