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Zinc Carbonate
Zinc Carbonate
Low concern
A vitamin/mineral fortificant providing zinc, an essential trace mineral. Safe at fortification levels; UL is 40 mg/day for adults.
Found in
14 products
What it is
Inorganic zinc salt used as a nutritional zinc source.
Mineral fortificant supplying dietary zinc.
Why it's flagged
- UL 40 mg/day; chronic excess inhibits copper absorption
What regulators actually say
"The Tolerable Upper Intake Level for zinc is 40 mg for adults... Exceeding 50 mg daily can inhibit copper absorption, reduce immune function, and lower HDL cholesterol levels."
Regulatory status
United States — FDA
Permitted as a nutrient supplement; zinc compounds GRAS at appropriate levels.
European Union — EFSA
Authorized source of zinc per Regulation (EC) 1925/2006 and Directive 2002/46/EC.
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