Effect of 1-year lutein supplementation on macular pigment optical density and visual function
Graefe's Archive for Clinical and Experimental Ophthalmology, 08/26/2011Sasamoto Y et al.
Daily supplementation with 6 mg of lutein did not affect the macular pigment optical density (MPOD) level for 1 year, suggesting that 6 mg of lutein may be insufficient to increase the MPOD level. However, supplementation seems to improve visual functions such as contrast sensitivity and retinal sensitivity.
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