Coenzyme Q10 works in the mitochondria of cell membranes, where it drives them to generate energy for the body. This important nutrient contained in up to 30 mg in one tablet Coenzyme Q10 Muscle Care plays a key role in a series of chemical reactions that transport oxygen and produce energy. In addition, it acts as an antioxidant – it helps fight free radicals and oxidative stress, which unfortunately are an inherent element of intense exercise.