Skip to main content

Evidence-Based Supplement Research

Evidence-Based Supplement Research

Vitamin C and Reduced Pneumonia Risk

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
- Reduced Pneumonia Risk
- High evidence
- Mixed
It is unlikely that vitamin C would reduce the risk of pneumonia in the general population;
Effect
Neutral
Effect size
Small
Significant
No
Dose
6-8 g/day