Vitamin C and Prevented Pneumonia

Doses used in studies

g/day: 6–8 (median 7, IQR 6–8) — 1 study

Safety in these studies

Overall tolerabilityReported
Given the evidence that vitamin C reduces the severity and duration of the common cold, paired with its good safety profile and low cost, it is not unreasonable for patients to test whether therapeutic vitamin C supplementation at a dose of 6-8 g/day is beneficial at the individual level.
from: Vitamin C for the common cold and pneumonia.

1 of 1 paper

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

9 Insights on

Prevented Pneumonia

High evidence
Mixed

In 3 controlled trials, vitamin C was shown to prevent pneumonia, but the contexts were atypical: the participants were schoolboys attending a boarding school in the United Kingdom before World War II, soldiers hospitalized for influenza A, and United States Marine recruits.

Effect: Beneficial
Effect size: Moderate
Significant: Yes
Dose: 6-8 g/day