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NMN (nicotinamide mononucleotide) is a direct precursor to NAD⁺ – the molecule every cell uses to turn food into energy, repair DNA and activate longevity enzymes called sirtuins. By topping up NAD⁺ levels, NMN products are taken to support steady energy, clearer thinking and day-to-day cellular maintenance that underpins healthy ageing.
Human studies have shown that daily intakes of up to 1,000 mg are generally well tolerated. Check with your doctor first if you are pregnant, breastfeeding or taking medication.