The answer is not clear-cut. Most dietitians and nutritionists advocate getting the bulk of your nutrients from food sources. If you rely on supplements, you may miss out on the other potentially health-enhancing substances in foods. Also, if supplements contain too much of a certain nutrient, they may deplete other nutrient supplies in your body.
There are few exceptions to these recommendations, however:
- Women of childbearing age and pregnant women are usually advised by their physician to take a supplement containing iron, calcium, and folic acid - all of which the developing fetus needs in large amounts. Women are often advised to continue taking the supplements throughout breast-feeding. (If you are pregnant or breast-feeding, however, you should consult your doctor before taking any vitamin or mineral supplements.)
- There is a growing belief that women should take calcium supplements throughout adolescence and adulthood to prevent osteoporosis.
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