Dr Mercola has some valuable insights in this article. It's called The Importance of Lutein for Eye and Brain Health.
Here's an example that really got us thinking about how we consume our veggies:
Ideally, you’ll want to buy the whole food and consume these foods as close to raw as possible, as the lutein (and other carotenoids such as zeaxanthin) are easily damaged by heat. Accessory micronutrients in the foods that enhance their action also tend to get easily damaged.
Take a look at the rest of this piece to learn more about the benefits of ...