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Can you hack aging with NAD supplements?

Popular Science

Breakthroughs, discoveries, and DIY tips sent every weekday. Walk down the supplement aisle at your local drugstore and you'll likely spot bottles of NAD (nicotinamide adenine dinucleotide) pills, powders, or liquids that promise to slow down aging. The global market for these products hit 535.53 million in 2022. But do NAD supplements really work? "I get asked about NAD supplements occasionally by patients," says Dr. Nicholas Dragolea, a London-based GP with an interest in longevity and functional health at My Longevity Centre in the United Kingdom.