title: Dietary supplements: do they help or hurt? What you need to know before taking a vitamin or mineral supplement.
mesh_terms: D001294:Attitude to Health; D004032:Diet; D019587:Dietary Supplements / Q000009:adverse effects / Q000706:statistics & numerical data*; D005260:Female; D005527:Food, Fortified / Q000009:adverse effects / Q000706:statistics & numerical data*; D015438:Health Behavior; D006266:Health Education; D006801:Humans; D008297:Male; D018673:Nutrition Policy; D009751:Nutritional Requirements; D009752:Nutritional Status; D009753:Nutritive Value