Description
Coenzyme Q10 has been used for heart problems (such as heart failure, angina), high blood pressure, Parkinson's disease, gum disease, and certain diseases passed down through families (Huntington's disease, muscular dystrophy).
SIDE EFFECTS
CoQ10 Side Effects. Most side effects of CoQ10 are mild. They include digestive problems, loss of appetite, abdominal pain, diarrhea, nausea, and heartburn.