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Nicotinamide N-methyltransferase (NNMT) is an enzyme that plays a crucial role in cellular metabolism and energy homeostasis
Cyanocobalamin Cyanocobalamin is a form of vitamin B 12 used to treat and prevent vitamin B 12 deficiency except in the presence of cyanide toxicity
People without a deficiency should not take megadoses of B12
Injectable B12 bypasses absorption issues and is first-line treatment for malabsorption conditions, whilst oral doses of 1,0002,000 g daily may suit dietary deficiency without malabsorption
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