Effect of supplementation with lutein, zeaxanthin, and omega-3 fatty acids on macular pigment and visual function in young adults with long-term use of digital devices: study protocol for a randomized double-blind placebo-controlled study
Wang L, Ma M, Li Y, Pei C, Wang J, Li J
Published in Frontiers in Nutrition
Methodology
Protocol for a 24-week multicentre randomized double-blind placebo-controlled trial of macular xanthophylls and omega-3 in 600 Chinese adults with high digital device exposure.
Key Findings
Trial evidence on lutein bioavailability and visual benefit in high-screen-exposure adults is described as contradictory; the trial is designed to resolve it. No efficacy results are yet reported.
Conclusions
Well-powered evidence on carotenoids for screen-related visual strain is still pending; current claims rest on small, inconsistent trials.
Limitations
Protocol only - no outcome data; results not yet published.
Supplements Studied
Current trial evidence on lutein bioavailability is contradictory
Current trial evidence on lutein bioavailability is contradictory
Related Health Concerns
Study Details
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Disclosures
Funding
Academic/institutional
This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.