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NAD Boosters (NAD+/NADH, Nicotinamide Riboside, and NMN)

NMN Can No Longer Be Sold as a Supplement

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The FDA recently took the position that NMN, an NAD booster, cannot be sold as a dietary supplement. For details, see the NAD Boosters Review.

NAD Booster & Cancer Risk

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The NAD booster, nicotinamide riboside, increased the spread of certain aggressive cancers in a recent laboratory study, adding to existing concerns. Get the details in the Concerns and Cautions section of our NAD Booster Supplements Review.

Also, see our CL Answer about vitamins and cancer risk.

New Nicotinamide Riboside Top Pick

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We recently tested and Approved a nicotinamide riboside supplement that provides the most-studied form of nicotinamide riboside and is our new Top Pick for nicotinamide riboside in our NAD Booster Review.

NMN for Better Sleep?

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Can nicotinamide mononucleotide (NMN) improve sleep and reduce daytime drowsiness? See what a new study found in the What It Does section of our NAD Booster Supplements Review. Also see our Top Picks among products, including NMN, NAD+/NADH, and nicotinamide riboside.

See our answer to the question: Which supplements can help me sleep and which cause insomnia?

64% of NMN Supplements Fail Tests

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Fourteen of the 22 most popular NMN supplements (which can boost NAD+ levels) on Amazon were recently discovered to contain no detectable NMN. See the results in the Update to our NAD Boosters Review, which includes CL's tests of additional NMN, NADH, and nicotinamide riboside supplements, as well as our Top Picks.