Vitamin C supplements and the risk of age-related cataract: a population-based prospective cohort study in women
Rautiainen S, Lindblad BE, Morgenstern R, Wolk A
Published in The American Journal of Clinical Nutrition
Methodology
Population-based prospective cohort of Swedish women followed 8.2 years with registry-confirmed cataract extraction
Key Findings
Vitamin C supplement users (about 1000 mg) had higher cataract extraction risk than nonusers, HR 1.25 (1.05-1.50)
Conclusions
High-dose vitamin C supplements were associated with increased cataract extraction risk in women
Limitations
Observational design; supplement use self-reported, residual confounding possible
Supplements Studied
The multivariable hazard ratio (HR) for vitamin C supplement users compared with that for nonusers was 1.25 (95% CI: 1.05, 1.50).
Related Health Concerns
Study Details
Access Study
This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.