The side effects of Coenzyme Q10 are mainly stomach discomfort, such as loss of appetite, nausea, diarrhea and then palpitations, which may occur after taking the drug. Coenzyme Q10 is mainly used to enhance immunity, protect the heart muscle, and increase cardiac output and reduce peripheral resistance. So it can be used in the adjuvant treatment of many diseases, such as heart disease, such as viral myocarditis, chronic cardiac insufficiency, congestive heart failure, coronary heart disease, hypertension, arrhythmia, etc.. It can also treat hepatitis, such as viral hepatitis, subacute hepatic necrosis, and chronic active hepatitis, while Coenzyme Q10 can also reduce the side effects caused by cancer radiotherapy and chemotherapy. It is to be taken 3 times a day, each time is 10mg, this drug needs to be taken 30 minutes after meals, and stored in a sealed place away from light.