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Story summary
- NAD (nicotinamide adenine dinucleotide) is gaining popularity as a potential energy and metabolism booster.
- NAD levels decline with age, prompting interest in precursors like nicotinic acid and nicotinamide riboside.
- Evidence is limited and mostly from animal studies, with unclear applicability to humans.
- Pregnant women, children, and those with medical conditions should avoid NAD without professional guidance.
