Momentous Longevity is a science-led formula designed to support your body at the cellular level. Combining six clinically-studied bioactives—Niagen® Nicotinamide Riboside, NAC, Betaine, PQQ, Vitamin C, and B Vitamins—Longevity goes beyond NAD⁺ to support core functions of cellular health: energy production, stress resilience, DNA integrity, cellular system balance, and brain health. Backed by peer-reviewed research and NSF Certified for Sport®, this daily formula helps you stay strong, sharp, and resilient for life.