Lutein Supplements How Does Lutein Help Vision? Lutein is a naturally occurring carotenoid that belongs to the xanthophyll family of pigments. It is found in various plants, algae, and photosynthetic bacteria and is part of a subgroup of carotenoids that have oxygen-containing molecules. Lutein is known for its vibrant yellow colour, which is responsible for the hue of certain fruits, vegetables, and flowers. Foods like leafy green vegetables (spinach, kale, and broccoli), egg yolks, corn, and orange and yellow fruits like oranges and mangoes are rich in lutein. https://www.nationalnutrition.ca/eye/lutein.html #lutein