Vitamin C for the common cold and pneumonia.
- 2025-01-13
- Review · n = 6,244
- Polish archives of internal medicine 135(1)
- Harri Hemilä
- Elizabeth Chalker
- PubMed: 39803741
- DOI: 10.20452/pamw.16926
- High evidence
- Mixed
2 therapeutic trials found that 6-8 g/day of vitamin C was twice as effective at reducing the duration of colds as 3-4 g/day.
- Effect
- Beneficial
- Effect size
- Moderate
- Significant
- Yes
- Dose
- 6-8 g/day