"California Gold Nutrition NMN (nicotinamide mononucleotide). ; Contains NMN precursor to NAD . ; Supports antioxidant functions and cellular health. ; Supports healthy metabolism and energy production. Suitable for vegetarians ; Nicotinamide mononucleotide (NMN) is a type of molecule known as a nucleotide. The body produces it naturally but levels may decrease with age therefore, taking a supplement may help maintain levels. ; California Gold Nutrition NMN contains this beneficial nucleotide which helps support many functions throughout the body. "