In a 2017 study of adults aged 25-45, scientists found that older participants with higher levels of lutein in their diets had the same cognitive responses as younger volunteers when completing a task that tested their attention span. If you’re struggling to finish a crossword, getting more greens is a smart choice. One 2016 study looking at the effect of lutein on cardiometabolic health found that a higher dietary intake and higher blood concentrations of lutein were associated with better cardiometabolic health. 22īoth lutein and zeaxanthin aid your body to protect its proteins, fats and DNA from stressors, while also assisting your body to recycle another antioxidant called glutathione. When looking at studies on this area, rats who were given a 0.4% enriched diet of lutein and zeaxanthin showed less UVB-induced skin issues than the rats that were given a smaller dose of 0.04%. In particular, the antioxidant effects of the two assist in protecting your skin from the sun’s UV rays. May have protective properties for the skinĪs well as all the above benefits for your eye heath, lutein and zeaxanthin may also have beneficial properties for your skin. However, studies show that supplementation of lutein and zeaxanthin may help to reduce any inflammation that is involved in the process. Uveitis is the inflammation of the middle layer of the eye (the uvea or uveal tract), which can cause pain and may affect your vision. Similarly, when studying rats with eye detachments, researchers found that an injection of lutein lead to 54% less cell death than the rats who were injected with corn oil instead. When studying animals with diabetes, researchers found that those who consumed a lutein and zeaxanthin supplement reduced signs of oxidative stress which can damage the eyes. 11,12Ī complication of diabetes, diabetic retinopathy is where the back of the eye becomes damaged by high blood sugar levels, which can lead to blindness if left undiagnosed. 8,9,10Īnother one of the lutein benefits is that it may slow the onset of cataracts (cloudy patches that can appear at the front of your eye) – whether through supplements or by eating lutein rich foods. Otherwise known as AMD, taking lutein and zeaxanthin supplements could help to protect against the progression of this condition which can lead to blindness.
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