Sunday, May 5, 2013

3 facts on kale

For your immune system: Kale is rich in beta-carotene (vitamin A), a powerful antioxidant that may help boost the immune system and possibly protect against some chronic diseases and cancer. At least one study also found that long-term consumption of beta-carotene had cognitive benefits. For your bones: Kale is is one of the few vegetables with a decent amount of calcium, but it’s especially high in magnesium — just a cup contains 40 percent of the RDA — which is very important for bone health and to protect against osteoporosis. Magnesium has a crucial job working with vitamin D to help your bones absorb calcium. In addition, research has shown that the vitamin K in kale also contributes to bone health by improving bone density. For your heart: While recent studies have found that antioxidant supplements, like vitamin E pills, don’t protect against heart disease, foods like kale that are naturally high in antioxidants are definitely heart-healthy, says the Cleveland Clinic. Plus, kale’s magnesium and potassium help lower blood pressure, and its high fiber content can help lower cholesterol — all beneficial factors in lowering your risk of cardiovascular illness.

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