Lutein and zeaxanthin may improve memory

In this large study, doctors measured cognitive function in 4,076 independently-living adults, age 50 and older. Those with higher levels of lutein and zeaxanthin had better scores on overall cognition, memory, and executive function—the ability to focus attention, control impulses, and remain mentally flexible. Zeaxanthin in particular improved processing speed.

Discussing the findings, doctors said this study is unique for its very large size, representing a broad sample of older adult populations. The researchers have also completed and plan to release later in 2017 a clinical trial testing the cognitive effects of lutein and zeaxanthin supplements in a population of healthy individuals.



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