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General description	Fat-soluble carotene that protects eyes.
Found	- egg yolk - corn - spinach - kale - broccoli
Anti-aging role	- protect eyes against harmful effects of sunlight - prevent macular degeneration caused by age - prevent cataracta, retinitis and eye pigmentose - can help in prevention of colon and breast cancer, type 2 diabetes and heart diseases
Deficiency symptoms	Not possible.
Therapeutic doses	- prevention of cataracta and macular degeneration - 6 mg/day - reducing symptoms of macular degeneration - 10 mg/day
Maximum safe level	Not established.
Side effects	Not recorded.
Interactions	- zeaxanthin
High risk groups	- patients with cystic fibrosis don't absorb carotens well
Composition formulas	- usually in combinations with other carotens or vitamins in formulas for eyes health
Other remarks	- luteine and zeaxanthine accumulate in the retinal tissue

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