is b12 injection im or subq Vitamin Sites: All You Need to Know Optimal B12 Injection Sites for

Plus, because B12 vitamin is bound to amino acids (found in protein foods) and is only released when certain enzymes and stomach acids are present, its possible to consume enough but still remain somewhat deficient

B12 shots can be especially helpful if you are older, do not eat animal products, have conditions that impact nutrient absorption, or take medications that interfere with nutrient absorption

As injectable products, they are classified as medicinal products requiring regulatory approval which most do not possess

No placebo-controlled human trial was identified for weight management, diabetes, fatty liver disease, sarcopenia, athletic performance or healthy ageing