
| Minerals |
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Minerals are metals and other inorganic compounds. The major minerals, which are needed in quantities of over 100 mg per day, are calcium, phosphorus, potassium, sodium, chloride, magnesium, and sulfur; the minor or trace minerals, needed in quantities of less than 100 mg per day, are boron, chromium, silicon, zinc, and a half-dozen others. Minerals function much as vitamins do to promote and regulate various bodily processes. Minerals also provide much of the structure of teeth and bones. Green leafy vegetables are the best food source for most vitamins and minerals.
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