Citric acid is a weak organic acid found in citrus fruits. It is a natural preservative and is also used to add an acidic (sour) taste to foods and soft drinks. It also serves as an environmentally benign cleaning agent and acts as an antioxidant. Citric acid is also part of some disinfectant products due to its microbicidal properties .However it does not specifically have a role in Coronavirus infections . It is also not a treatment or cure for COVID -19 infections .