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What is Doctor's Best Natural Vision Enhancers?
Doctor's Best Natural Vision Enhancers promotes eye health, visual function, protects against light damage, and helps neutralize light generated free radicals. This formula provides a unique combination of nutrients clinically proven to support vision: omega-3 DHA and EPA, lutein, and zeaxanthin. Omega-3 DHA and EPA play an important role in visual development and function throughout life. Lutein and zeaxanthin protect against light damage and act as antioxidants in the eye. Numerous clinical studies support the importance of these nutrients for vision and eye health.

How does it work?
DHA (docosahexaenoic acid, omega-3) is a large fatty acid molecule that is found in a high concentration in the retina. The retina's light-sensing cells contain densely packed arrays of rhodopsin, a protein that enables vision in low-light conditions, packed into their cell membranes. Membranes are thin molecular sheets that are typically loaded with enzymes and other active proteins. Every cell is built on membranes, which power cell functions and are the foundation of the body's overall metabolic efficiency. DHA is indispensable for healthy membrane function, most especially in the highly active cells of the retina and the brain. The optimal functioning of rhodopsin is considered to be supported by the presence of DHA in the retinal membranes. Lutein, zeaxanthin, and meso-zeaxanthin are three carotenoids that belong to the xanthophyll subclass. They endow the retina with potent protection against damage from light energy. These carotenoids are also antioxidants that protect against harmful molecules produced from processes in the body. Humans cannot make lutein and zeaxanthin so it must be obtained through the diet. The retina can make meso-zeaxanthin which requires lutein.