Lutein is a rather well-known supplement that many people use. This supplement is mostly used for preventing eye diseases, because for most individuals this supplement is known as being the "eye vitamin"

Lutein is a carotenoid vitamin that is found in many foods, including broccoli, spinach, corn, kale, orange pepper, kiwi fruit, grapes, orange juice, zucchini, and squash. 

A lot of the diseases that strike the eyesight of older people would find results from the taking of this vitamin. Thus, elderly individuals who are concerned about getting various eye diseases such as age-related macular degeneration, cataracts, or retinitis pigmentosa. These capsules can greatly benefit people who are concerned with getting eye diseases such as these. Overweight people who are concerned with getting diabetes would probably be able to take this tablet for preventative measures along with proper diet as well. 

Lutein is one of two carotenoid vitamins that is found as part of a color pigment in an individual's eye. Many people also find it useful for the possible prevention of cervical cancer.