Ubiquinol has been used for heart problems (e.g., heart failure, angina), high blood pressure, Parkinson's disease, gum disease, and certain diseases passed down through families (Huntington's disease, muscular dystrophy). It has also been used for reducing the number of migraine headaches and for reducing cell damage that may occur after surgery or treatment with certain anti-cancer drugs. If you have or think you have any of the conditions listed above, consult your doctor for advice on proper care and treatment. Coenzyme Q10 is a substance that your body normally makes. Your body uses it to help keep you in good health. Some herbal/diet supplement products have been found to contain possibly harmful impurities/additives. Check with your pharmacist for more details about the brand you use. The FDA has not reviewed this product for safety or effectiveness. Consult your doctor or pharmacist for more details.