Do Lutein Supplements Help with Brain Function?

Avocados, greens, and lutein and zeaxanthin supplements are put to the test for improving cognitive function. Subscribe to Dr. Greger’s free nutrition newsletter at and get a free recipe from his new HOW NOT TO DIE COOKBOOK. (All proceeds Dr. Greger receives from his books, DVDs, and speaking directly support ). What is this lutein stuff? If you missed the previous video, check out Brain Healthy Foods to Fight Aging (