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when do you need a b12 injection Best Vitamin Sites: Where to Inject B12 · PA Relief Why B12 Shots Are Popular
Description
Smoking Alcohol abuse Having endocrine-related autoimmune disorders (such as diabetes, or thyroid disorder) Gastrointestinal disorders such as Crohns disease Having undergone gastric bypass surgery or other surgeries that remove parts of the stomach

Researchers study it in the context of nicotinamide N methyltransferase activity, methylation related pathways, and cellular metabolism

doi: 10.1139/gen-2020-0135 41 LucasCWongPKleinJCastroTBRSilvaJSundaramMet al
[102] Drug interactions [edit] H 2 -receptor antagonists and proton-pump inhibitors Gastric acid is needed to release vitamin B 12 from protein for absorption

J., & Ho, K
