Eye twitch is not a potential side effect of taking coenzyme Q-10, according to Mayo Clinic. CoQ10 is sold as a nutritional supplement and is considered "likely safe" by experts at WedMD.Continue Reading
CoQ-10 is an antioxidant found naturally in the body, as stated by WebMD and Mayo Clinic. Levels decrease with age and can be raised with a nutritional supplement. CoQ-10 may be useful to help correct conditions such as high blood pressure, age-related vision loss and chronic fatigue syndrome.
Common side effects of taking CoQ10 are gastrointestinal upset, including nausea, vomiting and diarrhea, and skin rashes, according to WebMDLearn more about Side Effects