NMN (nicotinamide mononucleotide) is currently one of the most researched and popular substances to slow down aging. It is a substance that occurs naturally in our body. NMN is a precursor to NAD+. NAD+ is a very important molecule for every cell in our body. NAD+ is a substance that countless enzymes and proteins need to carry out their function. For example, NAD+ is required for proper repair and maintenance of our DNA and epigenome (by enzymes like sirtuins and PARPs) (R). What are some of the effects of NMN? http://www.gshflag.com/food-additive/anti-aging-nmn.html