Nicotinamide riboside extends mouse lifespan, boosts stem cell function, and anti-diabetes 2 http://www.nature.com/articles/srep26933

http://science.sciencemag.org/content/early/2016/04/27/science.aaf2693

NR boosts NAD+ But the effect of NR on lifespan is modest. How do epigenetic signatures change after NAD depletion? Is it like aging or not?
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