What is lutein? Lutein is a powerful pigment that is naturally found in leafy greens. However, it is not found in sufficient quantities in our food. A healthy diet is essential for lutein absorption. A daily serving of kale has 22 milligrams of lutein. Its antioxidant activity is impressive. It combats the effects of free radicals, protects the retina, and lowers inflammation in the brain and eye. Moreover, it has been linked to improved mood, cognitive function, and memory. Lutein has several positive effects, but these benefits should not be relied upon without consulting a physician. In addition, a supplement may be beneficial for people with certain eye diseases or digestive disorders, smokers, and post-menopausal women. Lutein supplements are sold in soft-gel capsule form and are widely available at health food stores and online.
Research has linked high lutein intake and blood levels to improved cardiovascular health. This is believed to be due to the anti-inflammatory properties of lutein. The daily supplementation of lutein has been linked to lowered cholesterol levels and triglyceride levels, two known risk factors for heart disease. However, some studies have failed to detect a correlation and further studies are necessary to better understand its role in heart health.
Research has shown that dietary supplements of lutein can protect against cancer. Recent studies at the University of Southern California suggest that a low lutein intake is linked to the thickening of artery walls, which can lead to arteriosclerosis and clogging of carotid arteries, which can result in heart attacks and stroke. In contrast, people with the highest intake of lutein were less likely to develop metabolic syndrome and were less likely to develop the disease.
Besides its role in eye health, lutein is also an important antioxidant. It may prevent the progression of age-related macular degeneration and help slow down the onset of other eye disorders. Studies have also shown that lutein supplements can prevent age-related macular degeneration, one of the leading causes of vision loss and blindness. In addition, they may reduce the risk of cataracts.
Researchers have linked a high intake of zeaxanthin and lutein with a lower risk of cataracts. These nutrients are also believed to protect the retina from damage caused by blue light from digital devices. They have even been associated with an inverse relationship between the incidence of cataracts and dietary intake. And the benefits of lutein and zeaxanthin go far beyond eye health. They may help protect the retina from age-related macular degeneration.
The benefits of lutein and zeaxanthin are often paired. Studies have found that taking supplements containing zeaxanthin and lutein at a dosage of one to two milligrams per day have health benefits. However, it should be noted that large doses of lutein may slow down the progression of macular degeneration and preserve vision in people with early stages. Further research is needed to determine if these benefits are worth the risks.
In addition to helping prevent eye disorders, lutein can also prevent oxidative damage that contributes to aging. Inflammation and oxidative stress are linked to several eye conditions, including cataracts, age-related vision loss, and eye diseases. Additionally, lutein may prevent heart disease and type 2 diabetes. If you are pregnant, it is a good idea to supplement lutein with a vitamin or mineral supplement.
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