why do i need a vitamin b12 injection What Are Injections? And Are They Safe? Vitamin B12 Injections and Weight
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But methylcobalamin is NOT illegal in USA
doi: 10.1016/j.tips.2009.02.004
doi: 10.1016/S0006-291X(02)00230-9 [DOI] [PubMed] [Google Scholar] 25.Perez CI, Kalyanasundar B, Moreno MG, Gutierrez R
1 Deficiency is often due to a lack of B12 foods in the diet, absorption issues, and/or genetic mutations that affect uptake
It is unique among vitamins as it contains a metal ion, cobalt
