Questions to Ask Your Doctor About B12 Supplementation When thinking about B12 supplements, ask your doctor these questions: Is B12 supplementation necessary for my condition
B12 Injection Candidates There are a number of reasons that a B12 deficiency might occur
[10] [11] Intramuscular B12 injections (hydroxocobalamin or cyanocobalamin) bypass the digestive system, but UK product information (SmPCs) for hydroxocobalamin injections does list gastrointestinal disturbances, including diarrhoea, as possible adverse reactions, albeit rare
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However, if we are to gain the nutritional benefits from food, they are to be properly absorbed, digested and eliminated (Murray & Pizzorno, 2012)
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