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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.
In summary, check with your doctor or a registered dietitian about which, if any, vitamin or mineral supplements might be right for you. And remember that while there are circumstances when it may be appropriate to take vitamin/mineral supplements, they are not a replacement for a healthful diet.