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Consuming 6.9-11.7 mg of lutein per day in your diet appears to be safe. In research, lutein supplements have been used safely in doses up to 15 mg daily for up to two years. Additionally, health experts note that taking up to 20 mg of lutein both from the diet and supplements seems to be safe.
High doses of lutein may cause a condition called carotenemia, or yellowing of the skin, which is harmless. *