DoubleWood Supplements NMN 250mg 60 CapsulesAbout this item NMNH AS AN NAD SUPPLEMENT: NMNH is a novel ingredient being studied for its ability to increase NAD+ (nicotinamide adenine dinucleotide) levels as we age. Recent research suggests that NMNH may be the most effective supplement on the market for supporting NAD+ levels NAD BOOSTER: NMNH may boost NAD+ levels more effectively than both pure NAD supplements and nicotinamide riboside NAD+ LEVELS FALL AS WE AGE: Since NAD+ levels decline