Doctor s Best Lutein with FloraGLO? supplies highly bioavailable carotenoids nutrients lutein and zeaxanthin from Marigold flowers. FloraGLO? is manufactured with a proprietary process to ensure that the naturally-sourced lutein maintains its quality and consistency. It?s the first lutein brand introduced into the global marketplace and the most clinically researched lutein in the world. Lutein and zeaxanthin are the major carotenoids found in the blood and are highly concentrated in the retina of the eye. Constant exposure to ultra violet (UV) and blue light emitted from computers and mobile devices may potentially damage to the retinal cell. Lutein and zeaxanthin helps neutralize free radicals to support healthy visual function macular health and cognitive acuity. At Doctor?s Best we lead with science. Our products are backed by research and crafted using pure ingredients carefully sourced from around the globe. Since 1990 we have dedicated ourselves to providing highly effective nutritional sup