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The following doses have been studied in scientific research:
BY MOUTH:
- For copper deficiency: doses up to 0.1 mg/kg of copper as cupric sulfate per day.
The National Institute of Medicine has determined Adequate Intake (AI) of copper for infants: to 6 months, 200 mcg (30 mcg/kg/day); 7 to 12 months, 220 mcg (24 mcg/kg/day). Infants should get all their copper from food or formula, unless a healthcare provider recommends supplements and provides follow-up care and monitoring.
For children, a Recommended Dietary Allowance (RDA) of copper has been set: 1 to 3 years, 340 mcg/day; 4 to 8 years, 440 mcg/day; 9 to 13, 700 mcg/day; 14 to 18 years, 890 mcg/day.
For men and women age 19 years and older, the RDA of copper is 900 mcg/day.
For pregnancy, the RDA is 1000 mcg/day, and breast feeding 1300 mcg/day for women of all ages.
The Tolerable Upper Intake Level (UL), the maximum amount for which no harmful effect is expected, has been established for children and adults. The ULs for copper are: children 1 to 3 years, 1 mg/day; 4 to 8 years, 3 mg/day; 9 to 13 years, 5 mg/day; 14 to 18 years (including pregnancy and lactation) 8 mg/day; adults age 19 and older (including breast feeding), 10 mg/day; pregnancy age 19 and older, 8 mg/day.
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