Conditions that cause oxidative stress on the body, like liver disease, decrease the ratio of ubiquinol to
CoQ10. Increasing age is also associated with a decreased ratio of ubiquinol to
CoQ10. Like
CoQ10, ubiquinol is available as a dietary supplement. (For more information about forms sold, see What to Consider When Buying and Using.)
What It Does:
Taken orally, coenzyme Q10 may help treat congestive heart failure, a disease in which the heart doesn't adequately maintain circulation.