Coenzyme Q10 (or ubiquinol) is a molecule present throughout the body and particularly abundant in the heart, liver, kidneys and pancreas. Coenzyme Q10 is essential for the proper functioning of many organs and for carrying out numerous chemical reactions that take place in the body. Similar to a vitamin, it helps to supply the cells with energy, seems to exert an antioxidant action and is deficient in the presence of some diseases. Its intake is proposed against cardiovascular problems, diabetes, gum disease, Parkinson’s, muscular dystrophy, chronic fatigue syndrome, Lyme disease, Huntington’s disease and breast cancer. It is also used to increase energy and resistance to physical effort and to strengthen the immune system.