vitamin b12 injection diagnosis Best Site: Administering B12 Shots B12 INJECTIONS - The Nurse
Description
Women with neurological symptoms, severe anaemia, or confirmed deficiency require prompt medical assessment and specialist referral where appropriate

Having always been thin/skinny my entire life, I began to put on healthy weight from properly absorbing carbohydrates and fatty acids, which is a function of B12

Reference: BD and UltiCare product literature and distributor documentation
They may also be recommended for people with gastrointestinal disorders that prevent proper absorption of B12 from food

Association of nicotinamide-N-methyltransferase mRNA expression in human adipose tissue and the plasma concentration of its product, 1-methylnicotinamide, with insulin resistance