Q10 generally refers to coenzyme Q10, a beneficial coenzyme with antioxidant, biofilm protection, and immune-enhancing properties. Coenzyme Q10 preparations are used in clinical practice as an adjunctive therapy for a variety of diseases, such as viral myocarditis and viral hepatitis. Coenzyme Q10 is involved in the functional operation of mitochondria, thus regulating the body’s metabolism, which has a positive effect on the human body and can enhance the body’s immunity. The more common side effects are mainly gastrointestinal adverse reactions, such as diarrhea, flatulence, nausea, vomiting and so on. Coenzyme Q10 is contraindicated in people who are allergic to Coenzyme Q10, pregnant or breastfeeding. The use of Coenzyme Q10 must follow the doctor’s advice, do not use the drug arbitrarily.