The short version: Coenzyme10 or CoQ10 is a natural coenzyme found in your body that makes the energy needed for your cells to grow and stay healthy. The body also uses CoQ10 as an antioxidant to protects cells from chemicals called free radicals that could cause sickness and disease. CoQ10 is found in most body tissues. The highest amounts are found in the heart, liver, kidneys, and pancreas. The amount of CoQ10 in tissues decreases as people get older. The decrease in CoQ10 in tissues can impede the body's defenses and lead to adverse health. Proven natural's Ubiquinol form CoQ10 is the industries leader in absorption. In short, it mirrors the form of CoQ10 in your body ensuring increases bio-availability.