Nicotinamide adenine dinucleotide, or NAD, can come in two forms, as follows: NADH , "reduced" NAD, meaning it has an extra electron NAD+, "oxidized" NAD, meaning it lost an electron
NADH stands for "nicotinamide adenine dinucleotide (NAD) + hydrogen (H)." It occurs naturally in the body and plays a role in generating energy. The NADH produced by the body is involved in making 8PxRZk.