Now Foods NADH, 10 mgNADH (Reduced Nicotinamide Adenine Dinucleotide) is a coenzyme found in all living cells that is derived from Vitamin B 3, also known as Niacin. NADH is an essential cofactor for hundreds of biochemical reactions, and is used extensively in the production of cellular energy (ATP). NADH also plays a notable role in the synthesis of neurotransmitters in the brain.* Although NADH is normally unstable outside of the body, PANMOL NADH uses a patented