In simple terms: Capsules: easier, gut-focused, less direct systemic exposure Injections: more direct, stronger systemic exposure, more care required This does not mean one form is always better
In cases of deficiency: anaemia, digestive, neurological and psychological disorders Anaemia, characterized by insufficient iron in the blood, occurs frequently in people with a vitamin B12 deficiency
However, brand-name medications are currently available, and compounding is only allowed when the patient needs a customized dosage or formulation that is not commercially available
ALWAYS READ THE LABEL AND FOLLOW THE DIRECTIONS FOR USE
In response to the failures of B12 therapy by MDs, naturopathic doctors (NDs) claimed that typical B12 shots used cyanocobalamin, an inactive form of B12 that didnt work well