In recent years, interest in longevity science has surged beyond traditional diet plans and skincare regimens, pushing deeper into cellular biology and metabolic wellness. One of the molecules at the center of this shift is NAD+ (nicotinamide adenine dinucleotide) — a coenzyme found in every living cell that plays a fundamental role in energy production, DNA repair, and overall metabolic health. Unlike surface-level beauty products that only affect skin appearance, many wellness enthusiasts and researchers now explore how NAD+ injections might influence aging at its biochemical roots, addressing both internal vitality and the visual signs of aging.
At its core, NAD+ is a critical driver of mitochondrial function, which powers the cells responsible for everything from neural activity to muscle contraction.