Figure 6. Lundquist and Olivera model of the NAD/NADP balance in E. coli modified to represent the NAD/NADH ratio in humans

From

The Proposed Effects of Nicotinamide Adenine Dinucleotide (NAD) Supplementation on Energy Metabolism

Benjamin David French

American Journal of Sports Science and Medicine. 2015, 3(5), 96-107 doi:10.12691/ajssm-3-5-3