Lutein RDA
There is no set intake requirement for lutein, but its health benefits are associated with consuming about 6 milligrams a day. (3)
The USDA does not provide a daily recommended intake for lutein. (4)
Is there an excess limit for lutein?
UP to 20 mg is deemed safe for adults, but no upper limit of too much has been determined. (4)
What foods contain lutein?
Resources
3. https://www.webmd.com/diet/foods-high-in-lutein
4. https://www.verywellfit.com/learn-about-lutein-2505909