Coenzyme Q10 (CoQ10) is a vitamin-like compound that plays a central role in cellular energy production.* CoQ10 is found throughout the body, but is especially concentrated in the heart, liver, and kidney and production has been found to decline with age. CoQ10 works as a potent free radical scavenger in cell membranes, as well as within blood vessels.* Years of scientific research have shown that CoQ10 helps to maintain a healthy heart and vascular system.* NOW® CoQ10 is pharmaceutical grade. NOW CoQ10 products contain only the natural, all-trans form of CoQ10 produced by fermentation. Natural color variation may occur in this product.