Có cần bổ sung Vitamins & Khoáng chất
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In the 1980s, many nutritionists and some physicians began to recom- mend (and take) vitamin supple-
ments. However, as described in “Cast of characters: From vitamin A to zinc,” page 16, the evidence for the health bene ts of most supplements is not strong. Notable exceptions are vitamin D for bone health and folic acid during pregnancy. Although foods that contain vitamin A and beta carotene, as well as vitamins B, C, and E, are clearly good for health, taking supplements of these vitamins has no proven health bene ts.