By Renee Cherry Published on November 4, 2022 In This Article What Is NAD? What Are the Benefits of NAD? What's the Deal with NAD Supplements? Are There Better Ways to Boost NAD Levels Than NAD Supplements? What Else You Should Know Before Trying NAD Supplements Photo: Getty Images 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. TMaz5J.

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