Effects of a Supplement with Meso-Zeaxanthin on Macular Pigment Density
Author Information
Author(s): Richard A Bone, John T Landrum, Yisi Cao, Alan N Howard, Francesca Alvarez-Calderon
Primary Institution: Florida International University
Hypothesis
Can a supplement containing meso-zeaxanthin, lutein, and zeaxanthin effectively raise macular pigment density in human subjects?
Conclusion
The study demonstrates that a supplement with meso-zeaxanthin is effective at increasing macular pigment density, which may help protect against age-related macular degeneration.
Supporting Evidence
- Subjects taking the supplement showed a significant increase in macular pigment density.
- Blood tests confirmed the absorption of meso-zeaxanthin into the serum.
- The placebo group did not show significant changes in macular pigment density.
Takeaway
This study shows that taking a special vitamin can help make your eyes healthier by increasing a protective pigment in your eyes.
Methodology
A 120-day study with 10 subjects taking a supplement and 9 subjects taking a placebo, measuring blood serum and macular pigment density.
Potential Biases
Potential bias due to non-random assignment of subjects to treatment and placebo groups.
Limitations
The study did not use a standard double-blind design and had a small sample size.
Participant Demographics
8 male and 2 female subjects aged 21 to 58 years, with a mean age of 30.5 years.
Statistical Information
P-Value
p<0.002
Statistical Significance
p<0.002
Digital Object Identifier (DOI)
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