Brenner has also shown the longevity-boosting promise of NAD in his research. In 2007, he conducted an experiment showing that elevating NAD levels by fasting extended the lifespan—of yeast cells.

NAD supplements are the latest health trend to explode on TikTok, where people claim the supplements can help boost metabolism, improve cognition, and slow or even reverse aging. Hailed by some as a ...

Daily supplementation with NAD precursors is generally considered safe, and some animal studies suggest it can boost NAD levels in the blood, muscles, brain, and immune cells. That’s why researchers ...