Life Extension’s NAD+ Cell Regenerator™ is a non-GMO, gluten-free dietary supplement formulated to help maintain youthful levels of NAD+, a vital cellular coenzyme found in every cell and required for producing ATP, the body’s primary source of energy. Using 100 mg of NIAGEN®, a patented and clinically studied form of nicotinamide riboside, this supplement supports the body’s natural production of NAD+, helping promote healthy cellular metabolism, energy production, and defense against age-related NAD+ decline. Research shows that nicotinamide riboside can significantly increase NAD+ levels, supporting overall cellular vitality and combating fatigue at the cellular level.