The recommended daily dose of coenzyme Q10 for adults over 19 is between 30 to 200 milligrams, states the University of Maryland Medical Center. As of 2015, there is no medically established, ideal daily dose for coenzyme Q10, claims WebMD. People should follow label instructions when taking supplemental coenzyme Q10.
Coenzyme Q10 helps to protect cells from damage and assists with metabolic functioning, explains WebMD. It occurs naturally in the human body and is found in many foods. As of 2015, preliminary evidence suggests that taking Coenzyme Q10 supplements may help to lower blood pressure, improve heart health and slow the progression of Alzheimer's disease. Coenzyme Q10 may also help treat the adverse side effects associated with the use of statin cholesterol drugs.