what is nad supplement

Best NAD Supplement: Energy & Longevity Support Guide Nicotinamide adenine dinucleotide (NAD⁺, often called “NAD Plus”) is a vital coenzyme in every cell that drives energy production and helps repair cellular damage. However, natural NAD⁺ levels fall with age, leading to fatigue, slower metabolism, and other age-related issues. For adults interested in energy, longevity, and…