COVID-19 is a new disease, and we are still learning about it. But several studies in other infections or conditions suggest it may be beneficial in certain groups of people, particularly those already deficient in vitamin C who develop COVID-19. Currently, at least two trials are underway specifically investigating the use of vitamin C to treat severe COVID-19, one in New York and one in China.
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Beneficial effects of vitamin C supplementation have been reported for
- Elderly people with acute respiratory infections
- Recurrent acute respiratory distress syndrome
- Reducing the severity and duration of the common cold
- Reducing the length of hospital stay and symptoms in elderly patients with pneumonia
- Reducing the duration of mechanical ventilation in people in ICU
- Preventing the common cold in people who are vitamin C deficient
- Preventing the incidence of pneumonia in people who are vitamin C deficient.
- Studies have shown that excretion of vitamin C is decreased during infections, such as the common cold, suggesting that more is utilized during times of need.