Caffeine-Free† Increases Cellular Energy Production Chlorophyll Coating Helps Promote Optimal Absorption May Help Improve Concentration Energize Dietary Supplement †This product is not a reduced calorie dietary supplement. Natrol NADH is a unique formula that increases cellular energy production in the body. A chlorophyll coating stabilizer helps promote optimal absorption of NADH and assures a long, effective shelf life. NADH may help enhance mood and emotional balance, promote vitality, and offset occasional fatigue. Preliminary laboratory research indicates that NADH is powerful antioxidant that may help support cardiovascular health. A non-stimulant energizer, NADH helps support your energy needs.