In today's fast-paced world, maintaining high energy levels, mental sharpness, and overall well-being is more important than ever. NAD+ Niagen injections offer a cutting-edge solution to help you feel your best by supporting cellular health and rejuvenation from the inside out. What Is NAD+ and Why Is It Important? NAD+ (nicotinamide adenine dinucleotide) is a vital coenzyme found in every cell of the body. It plays a central role in mitochondrial energy production, DNA repair, and cellular metabolism. As we age, NAD+ levels naturally decline, leading to fatigue, slower metabolism, reduced cognitive function, and other signs of aging.