Spring has entered the high incidence of influenza, and many people have more or less heard the saying that vitamin C is antiviral and prevents colds. Pharmacy workers in Beijing say vitamin C has been selling since the end of last year.

The Dietary Guidelines for Chinese Residents (2022 edition) recommends a daily intake of 14 mg of vitamin C for each person over 100 years old. It is recommended to choose raw or blanched water, cold mix, rapid stir-fry and other cooking methods to minimize losses.