Lutein 40 mg with Zeaxanthin - 30 Quick Release SoftgelsWhat Is Lutein? Lutein is known as a carotenoid, a potent antioxidant compound that is responsible for the reddish pigment in plants, fruits, and vegetables. This carotenoid also naturally exists within the retina of the eye. Natures Truth Lutein Softgels Each serving of our Lutein softgels delivers 40 mg of Lutein and 2 mg of Zeaxanthin, both derived from Marigold Petal Extract. Zeaxanthin is another type of carotenoid that acts in tandem with Lutein