NADH is an active substance in man’s body. It comes from citric acid cycle which happens in the process of glycolysis and cellular respiration. Research has shown that NADH can provide more energy for cells, so it can relieve fatigue caused by long-time working, studying, etc.. Also, NADH is an effective antioxidant substance. Some NADPH health care products have appeared on the market. Most of these companies are from America and Swiss.
