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In an ideal world, no one would need dietary supplements. Our balanced diets would provide all the vitamins, minerals and other nutrients our bodies need. Alas, the world of American eating is far from ideal. And that, some nutrition experts and supplement advocates argue, is why we need dietary supplements. The latest federal data show that more than half of U.S. adults use dietary supplements, mostly multivitamins.
You probably take vitamins and supplements with the goal of improving your health. Thatâs great news! Yet these products aren't always good for you -- or safe. And buying dietary supplements isn't as straightforward as looking for the most promising health claim on a label.