Researchers develop supplements that improve eyesight effectively

It is proven that foods replete with Vitamin A have a heavy dose of carotenoids, specifically beta-carotene. Carotenoids are phytochemicals that give plant-based fruits and vegetables, like carrots and oranges, their color and composition. This is where the red, orange and yellow colors of these foods come from. The human body converts beta-carotene into Vitamin A, also known as retinol. There are ongoing studies that trace the affects of Vitamin A, carotenoids and eye functioning that have shown promising results.

In case studies, individuals with blindness report having consumed a regular diet devoid of Vitamin A; in epidemiological studies, populations lacking in Vitamin A suffer high rates of blindness; and lastly, in intervention studies, when Vitamin-A rich foods are provided to groups of individuals devoid of Vitamin A, their blindness rates reduce dramatically. Vitamin A may not improve eyesight in all people, but it is well known that eyesight is heavily dependent on Vitamin A.

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Carotenoids, such as beta-carotene shield the eyes from blue light. Carotenoid researchers at the Waterfront Institute of Technology in Ireland are learning that these supplements have the ability to reduce glare, create faster visual processing speeds, and enhance color and contrast.

Near the center of the human retina is the macula. The macula has a naturally protective substance known as macular pigment (MP), that is filled with various carotenoids.

In 2013, Scientists of the University of Georgia studied macular pigment in the eyes of 150 healthy people. The study shows results in a reduction of the effects of glare, and a quicker recovery time after exposure to bright light. This is all thanks to high rates of the macular pigment in carotenoids.

It is an undisputed fact that fresh organic produce is more beneficial for human nutrition and health than other variations. However, due to hindrances, such as a lack of exposure to fresh carotenoid filled foods, time restraints, circumstances, and the fact that an individual needs a daily 20 mg of fresh carotenoids for the desired eye improvements to work, consumption of these carotenoids are hard. These are the reasons scientists are discovering ways to increase carotenoid intake through dietary supplements. Supplements may improve eyesight, but they are risky if taken as a complete substitute for the desired nutrient.

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When supplements are taken completely in exchange for fresh organic foods, your body is not able to fully break down the nutrients that it usually would. In other words, the body absorbs nutrients best with a varied nutrient diet, because the nutrients are diffused and disseminated among other nutrients for effective absorption by the digestive system.

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Supplements are still ersatz models of the real produce. As a result, users run the risk of abating their digestive enzymes and organ functions, which can weaken the digestive system as a whole if nutrient-dense whole foods are obviated entirely for supplements. There is also a risk of dependence on dietary supplements for daily nutrients that users should be aware of.