Coenzyme Q10 has a wide range of clinical applications, and it is recommended to choose the specific dosage according to the patient’s condition, usually chosen to be taken about half an hour after meals. Coenzyme Q10 is a widely distributed in living organisms fat-soluble natural vitamin organic quinones, with antioxidant, free radical scavenging function, can prevent lipid peroxidation of the blood vessel wall, protect the heart, prevent sudden heart disease, etc., with significant antioxidant, slow aging effect. Coenzyme Q10 may produce adverse reactions such as nausea, vomiting, bloating and gastric distension, so it is generally recommended to take it after meals, usually about half an hour after meals, for the best effect, and it is recommended to take it with fatty foods to increase the absorption function. In addition, taking Coenzyme Q10 at the same time can also be combined with Vitamin C as well as Vitamin E. In addition, during the use of Coenzyme Q10, some patients may develop rash, itching, red spots, suggesting that they may be allergic to the ingredients, it is recommended to consult a doctor promptly and adjust the medication under the guidance of a professional doctor.