Why minerals matter
Minerals keep your bones, muscles, heart and brain working properly, and help make enzymes and hormones.
Two kinds
| Kind | How much you need | Examples |
|---|---|---|
| Macrominerals | larger amounts | calcium, phosphorus, magnesium, sodium, potassium, chloride, sulfur |
| Trace minerals | small amounts | iron, manganese, copper, iodine, zinc, cobalt, fluoride, selenium |
Getting enough — or too much
- Food first: most people get the minerals they need from a varied diet.
- Supplements: sometimes a doctor recommends one.
- Limits: some health problems and medicines mean you need less of a mineral — people with chronic kidney disease, for example, must limit foods high in potassium.
Sources
Based on "Minerals," MedlinePlus, U.S. National Library of Medicine; a work of the United States government in the public domain.
许可协议： CC0 1.0（公有领域） · 改编自 medlineplus.gov
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