NAD+
NAD, Nicotinamide Adenine Dinucleotide, NAD+ IV Therapy
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every cell, central to energy production, DNA repair, and sirtuin activation. While not a peptide in the traditional sense, it is widely administered by functional medicine and longevity providers via intravenous infusion or subcutaneous injection. Research interest centres on its role in mitochondrial health, cellular resilience, and neurological function as NAD+ levels decline with age.