It's a coenzyme called nicotinamide adenine dinucleotide (NAD+), and it's starting to generate some buzz. What is nicotinamide adenine dinucleotide (NAD+)? NAD+ is a coenzyme, or molecule, found in all living cells, and it plays a vital role in energy metabolism and maintaining proper cell functioning. What is NAD? It stands for nicotinamide adenine dinucleotide, which is a coenzyme found in cells of all living beings. NAD supplement treatments have gained attention recently as potential anti-aging compounds. Nicotinamide riboside (NR) seems to be the most important precursor of nicotinamide adenine dinucleotide that helps increase levels. Nicotinamide adenine dinucleotide (NAD) is a coenzyme central to metabolism. Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other, nicotinamide. .

what does nad stand for