Natural Factors easy-to-swallow Coenzyme Q10 softgel capsules contain a high potency formula consisting of 100mg of Coenzyme Q10 in a base of rice bran oil for enhanced absorption. Coenzyme Q10, also called Co Q10 or Ubiquinone is a natural substance essential to cellular energy production. It is an antioxidant which scavenges free radicals throughout the body. It is also involved in maintaining normal heart function. Co Q10 works well with Vitamin E and other antioxidant.