Dietary SupplementNatural CarotenoidThe lutein in this product is extracted from marigolds and purified by an exclusive patented process (US Patent #5,382,714). Lutein is the most abundant carotenoid found in fruits and vegetables & a potent antioxidant, especially concentrated in the macula of the eye.TwinLab Lutein is in a dry, water dispensed form.Well tolerated by most highly allergic individuals. No soy, yeast, milk or egg products. no added sugars, salt (sodium), preservatives or tablet binders and coatings.