Dietary supplements are not regulated like drugs in the United States, meaning the Food and Drug Administration (FDA) does not approve them for safety and effectiveness before products are marketed. Choose a supplement tested by a trusted independent party, such as USP, ConsumerLab, or NSF, when possible. However, even if supplements are independently tested, that doesn’t mean they are necessarily safe for all or effective in general. Therefore, it is important to talk to your healthcare provider about any supplements you plan to take and check in about potential interactions with other supplements or medications., Lutein is a carotenoid found in the macula and retina of the human eye. Often referred to as the "eye vitamin," it is thought to work as a light filter and protect the eyes from sun damage. Lutein is naturally found in many fruits and vegetables, especially those with deep green, orange, and yellow , Learn more about LUTEIN uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain LUTEIN..