Quick guide to Zinc
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- energy production
- manufacture of genetic material
- detoxification of chemicals, including alcohol
- healthy immune and reproductive systems
- hormone production
- normal growth and development
- healthy brain, teeth, bones and skin
Absorption and metabolism
This ranges from 20 to 40 per cent of dietary zinc.
Deficiency
Symptoms include skin problems, fetal abnormalities, reproductive defects, cardiovascular disease, immune deficiency, loss of eye function and osteoporosis.
Sources
These include seafood, meat and whole grains.
Daily recommended dietary intakes
- Men - 15 mg
- Women - 12 mg
- Pregnancy - 15 mg
- Lactation - 19 mg
Toxic effects of excess intake
Toxic effects include vomiting, diarrhea, immune problems and heart disease.
Therapeutic uses of supplements
Zinc supplements are often given to diabetics and pregnant women. They are also used to treat immune deficiency, the common cold, skin disorders, infertility, arthritis, taste disorders, macular degeneration, digestive diseases, prostate problems and to promote wound-healing.
Interactions
Zinc and copper interact in many body functions. Zinc helps the body to use vitamin A.
Cautions
Large amounts of zinc may impair copper absorption.