Coenzyme Q10 - Coenzyme Q10 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 preventing migraine headaches and for preventing 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...