The key difference between Nicotinamide riboside and nicotinamide mononucleotide is that nicotinamide riboside is a pyridine nucleoside that is very similar to vitamin B3, while nicotinamide mononucleotide is a nucleotide derived from ribose, nicotinamide, nicotinamide riboside, and niacin. Nicotinamide riboside and nicotinamide mononucleotide are two precursor molecules for the synthesis of nicotinamide adenine dinucleotide (NAD+). […]