Because B12 is water-soluble, your body uses what it needs and passes most of the excess, and there is no established upper intake limit because harmful effects from high intake have not been well documented
Dietary deficiency: Strict vegans or very poor diets may lack animal-source B12
One of the primary benefits of B12 shots is the bioavailability of the vitamin
Based on the evidence provided by Evidence Development and Standards and its partners, the Ontario Health Technology Advisory Committeea standing advisory subcommittee of the Health Quality Ontario Boardmakes recommendations about the uptake, diffusion, distribution, or removal of health interventions to Ontarios Ministry of Health and Long-Term Care, clinicians, health system leaders, and policy-makers
Prescription Vitamin B12 Injection Management Managing vitamin B12 injections well starts with knowing your prescription