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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.
Which of the following statements is representative of vitamin supplementation practices? a.) Most people who take supplements consume a poor diet. b.) Most people should take supplements daily because of the great difficulty in obtaining the needed amounts from food. c.) People who have low energy intakes or are pregnant are at risk for developing deficiencies and may benefit from supplementation. d.)People should take supplements daily because nutrition surveys in the U.S. and Canada have detected deficiencies in some population groups.