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Pharmacologic Classification: Mineral.
Pharmacology: Pharmacokinetics: Absorption of zinc from the gastrointestinal tract is incomplete, and is reduced in the presence of some dietary zinc varies widely between different sources, but is about 20 to 30%. Zinc is distributed throughout the body with the highest concentration found in muscle, bone, skin, eye, and prostatic fluids. It is primarily excreted in the faeces, and regulation of faecal losses is important in zinc homeostasis. Small amounts are lost in urine and perspiration.
RDA for Zinc: Adults: Males 14+ years - 11 mg daily.
Females 14+ years - 8 mg daily.
Pregnant women - 11 mg daily.
Nursing women - 12 mg daily.
Children: 1 to 3 years - 3 mg daily.
4 to 8 years - 5 mg daily.
9 to 13 years - 8 mg daily.
Infants: 0 to 6 months - 2 mg daily.
6 months to 1 year - 3 mg daily.
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