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Copper

Also known as: cupric

Low concern

Copper is an essential trace mineral; copper sulfate, gluconate, and other forms are GRAS for nutritional fortification per FDA. NIH ODS sets RDA at 900 µg/day for adults; UL at 10 mg/day.

Found in

239 products

What it is

Copper as an essential trace mineral, used as nutrient (e.g., copper sulfate, gluconate).

Mineral fortification.

Why it's flagged

UL of 10 mg/day for adults
toxic to those with Wilson disease

What regulators actually say

"The recommended dietary allowance (RDA) for copper for adults is 900 micrograms; the UL is 10,000 micrograms."

NIH ODS Copper — ods.od.nih.gov

"Copper sulfate may be safely used in food in accordance with the following prescribed conditions."

FDA 21 CFR 184.1261 — accessdata.fda.gov

Regulatory status

United States — FDA

GRAS — copper gluconate (21 CFR 184.1260), copper sulfate (21 CFR 184.1261)

European Union — EFSA

permitted nutrient under Reg 1925/2006

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