BPC 157 works systemically, meaning it travels through the bloodstream to the site of injury, so a localized intramuscular injection is unnecessary and offers no proven benefit over SubQ
Fate of cobalamins in humans following oral and intramuscular administration of cyanocobalamin, hydroxocobalamin, adenosyl-cobalamin and methylcobalamin
B12 blood levels just dont represent true B12 status reliably enough, and too many people are deficient even when their results fall within the normal B12 levels chart
Vitamin C or K levels should be checked if dietary deficiency or malabsorption is a concern
MIC/B12, often called a lipo shot, includes methionine, inositol, choline, and B12