Brain function and mood B12 is crucial for healthy nerve function and neurotransmitter production, impacting memory, focus, and mood
Evidence of benefit in humans does not exist
The same is true of B vitamin complex supplements, which deliver 50 to 500 micrograms (i.e., 20 to 200% of the RDA), as well as for most supplements containing only vitamin B12, which deliver up to 1,000 micrograms (about 400% of the RDA)
Targeted inhibition of NNMT improves insulin responsiveness and may protect against diet-induced obesity. Hong et al., Nature Medicine Longevity and Anti-Aging Potential Because NAD is vital for DNA repair, circadian rhythm regulation, and mitochondrial health, 5-Amino-1MQ is being explored as a geroprotective agent especially when stacked with NAD boosters or sirtuin activators