3. Collard Greens
Collard greens are loose leaf greens, related to kale and spring greens. They have thick leaves that taste slightly bitter.
They’re similar in texture to kale and cabbage. In fact, their name comes from the word “colewort.”
Collard greens are a good source of calcium and the vitamins A, B9 (folate) and C. They’re also one of the best sources of vitamin K when it comes to leafy greens. In fact, one cup (190 grams) of cooked collard greens packs 1,045% of the DV for vitamin K (6
Vitamin K is known for its role in blood clotting. In addition, more research is being done regarding its ability to improve bone health (7Trusted Source).
One study in 72,327 women aged 38–63 found that those with vitamin K intakes below 109 mcg per day had a significantly increased risk of hip fractures, suggesting a link between this vitamin and bone health (8Trusted Source).
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