Not all vitamin D supplements are created equal.We're always urging people to get the nutrition they need from food rather than a pill. But there's one nutritional supplement we think just about everyone needs: vitamin D. Your body produces vitamin D from the sun (and you get some vitamin D from food), but if you're careful about using sunscreen every day (a smart idea to prevent skin cancer), chances are you to don't manufacture enough vitamin D, even in the summer.
That means you may be low on this anti-aging vitamin. Recent research links low vitamin D levels to everything from heart disease, diabetes, and osteoporosis to breast cancer and ovarian cancer.
"On the upside, researchers have found that having healthy amounts of vitamin D3 relaxes your blood vessels, helps bone-building drugs work better, and makes weight loss faster and easier," says Michael F. Roizen, cofounder of RealAge and chief wellness officer at the Cleveland Clinic.
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