Kale lives up to the hype it has attracted as a superfood, but so do most dark, leafy greens: Swiss chard, collards, mustards (including radish greens), spinach (and others in the amaranth family) and cabbages. Include broccoli on that list as well. It’s in the cabbage-mustard family; the modern version is grown for its flower instead of its leaves. These dark vegetables are loaded with vitamins A, C and K, as well as fiber, calcium and other minerals.
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