It just might be the superfood of the century—and for good reason. Kale packs a punch of vitamins A and C, calcium, and cancer-fighting phytonutrients. It's also high in carotene, lutein, and zeaxanthin, which have been proven to prevent macular degeneration. Our favorite ways to fill up on the leafy green: mixing a killer kale salad or baking 20-minute kale chips.
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