Limited evidence for a beneficial effect of vitamin C supplementation on biomarkers of cardiovascular diseases: an umbrella review of systematic reviews and meta-analyses.
Authors not in graph record · peer-reviewed
Study design and participants
- Design
- systematic review
- Sample size
- 15
- Population
- adults (subgroup signal in low-status / higher-risk)
- Intervention and protocol
- varies across trials
Results
- Vitamin C → heart health: positive; effect size not reported.
Limitations, bias, and funding
Risk of bias: moderate
Funding: not reported
- Recorded risk of bias: moderate.