NAD (nicotinamide adenine dinucleotide) is a vital molecule in the body. It supports energy production, cell repair, and healthy aging. Many people want to increase their NAD levels to improve wellness and longevity. One way to do this is by using supplements that provide NAD precursors. RiaGev-SR is a sustained release tablet designed to boost NAD steadily over time. This post explains how RiaGev-SR works and why it matters for health. What Is RiaGev-SR and How Does It Wor