Dose-ranging study of lutein supplementation in persons aged 60 years or older.

Abstract

PURPOSE To examine the dose-response relationship between oral lutein supplementation and serum lutein concentrations in persons aged 60 years and older, with or without age-related macular degeneration (AMD). METHODS Forty-five participants with no AMD, large drusen, or advanced AMD, were randomized to receive one of three doses (2.5, 5, or 10 mg) of… (More)

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