NNMT methylates nicotinamide (a form of vitamin B3) using S-adenosylmethionine (SAM) as the methyl donor
More importantly, my co-author, Anna Thalacker-Mercer from the University of Alabama at Birmingham, wondered if B12 supplementation in aged mice would improve muscle mitochondrial function and it did. Previous research has largely concentrated on the visible consequences of B12 deficiency, such as megaloblastic anemia, neuropathy, and cognitive decline, rather than examining the underlying biological mechanisms
Each milliliter contains sterile water for injection with 0.9% benzyl alcohol as a preservative, helping maintain sterility during multiple withdrawals
Normal serum B12 ranges vary between laboratories, so results should be interpreted using your local laboratory's reference ranges
Gastroenterology 1984
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