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A deficiency in vitamin B12 can show up in ways that are easy to dismiss as just stress or a busy schedule
Published clinical trials used continuous daily administration for 12-24 weeks without scheduled breaks, establishing this as a viable approach with maintained safety throughout the treatment period
Any of these on their own might not mean much, but several together are worth getting checked
Statements Data availability statement The data supporting the conclusions of this article will be made available by the authors, without undue reservation
NNMT is an enzyme linked to cell metabolism and nicotinamide-related pathways
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