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NNMT is an enzyme that regulates energy metabolism by methylating nicotinamide, a precursor to NAD+, into 1-methylnicotinamide

When NNMT is overactive, it consumes excess NAD+, leaving less available for these critical processes

In limited data it's generally reported as well-tolerated, but human safety data is still limited and long-term effects aren't fully characterized

The vitamin plays a role in producing serotonin and dopamine, your brain's primary mood-regulating neurotransmitters

This randomized controlled trial demonstrates that 28 days of vitamin B complex supplementation significantly improved exercise endurance and reduced fatigue-related biomarkers in healthy adults

Traditional tablets provide measured B12 doses swallowed with water