Co-Enzyme Q10 Vitamin E Folic Acid, Green Tea Extract And Vitamin C Tablets are most commonly used for conditions that affect the heart such as heart failure and fluid build up in the body (congestive heart failure or CHF), high blood pressure and chest pain (angina). Co-Enzyme Q10 Vitamin E Folic Acid, Green Tea Extract And Vitamin C Tablets are also used for preventing Parkinson disease, migraine headache, and many other conditions.