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Cupric Carbonate

Low concern

Approved copper source. The IOM/NIH set a Tolerable Upper Intake Level for copper of 10 mg/day for adults; excessive intake can cause GI distress and, chronically, liver toxicity.

Found in

2 products

What it is

Copper(II) carbonate; used as a copper source in nutritional supplementation and animal feed.

Source of copper (mineral nutrient) in supplements and fortified foods.

Why it's flagged

risk of exceeding copper UL with high-dose supplements

What regulators actually say

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Regulatory status

United States — FDA

Permitted as a nutrient source (21 CFR 184.1261 covers cupric sulfate; copper carbonate used in supplements)

European Union — EFSA

Authorized copper source for food supplements (Reg. 1170/2009)

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