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Product Reviews (2)

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CL Answers (8)

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Clinical Updates (3)

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6/08/2021

GlyNAC vs. NAC

What is GlyNAC, how does it compare to NAC, and does it have anti-aging effects? Find out in the What It Does section of our N-acetyl cysteine (NAC) Supplements Review. Also, see our Top Picks for NAC.
4/03/2018

What Niagen Does

Niagen (nicotinamide riboside) has been promoted as an anti-aging supplement. Find out what's been shown in clinical studies, including one published recently, in the Niacin section of the B Vitamin Supplements Review.
6/19/2019

NAD+ and Cancer?

Supplements that raise NAD+ levels in the body have been promoted for anti-aging effects. But there is a theoretical risk that they could stimulate cancerous cells, and a CL member reported this week that a supplement containing such an ingredient, nicotinamide riboside, appeared to increase his PSA level. Learn more in the Niacin section of the B Vitamin Supplements Review.