Eggs and leafy greens (such as spinach) are the best food
sources of lutein.
View page
Lutein and other carotenoids are considered important because of
their antioxidant properties. Antioxidants help to protect cells
from damage caused by free radicals
View page
I've read that Lutein is good for age related macular
degeneration if you take about 5-10 mg a day.
View page
Lutein cells are the glandular-epithelial cells forming the
outer layer of the corpus luteum. They develop from cells of the
Graafian follicle.