can you drink alcohol after having a b12 injection Are Vitamin Shots Right for You? B12 Shots vs. IV Infusions:
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Its most critical roles include supporting the production of healthy red blood cells, DNA synthesis, strengthening the brain and nervous system, and enhancing immune function

World Anti-Doping Agency (WADA) Peptide Guidelines, 2020.
Horm Metab Res 33 : 156162 Scavo LM et al