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The question: does sustained elevation of intracellular NAD+ via NNMT inhibition produce the same long-term benefits as NAD+ precursor supplementation (like nicotinamide riboside or NMN), or are there trade-offs we haven't identified yet
But having a low B12 level or a vitamin B12 deficiency can cause physical, neurological and psychological issues
People with this condition cannot simply consume more Vitamin B-12 via a pill or food products because they will have difficulty absorbing it
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