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Ferrous Carbonate

Also known as: E505, iron carbonate

Low concern

Iron compounds may be added to foods as nutrient sources within established intake limits. Excessive iron supplementation can cause GI upset and, at very high doses, toxicity.

Found in

1 products

E-number

E505

What it is

Ferrous carbonate (E505) is an iron(II) salt used as a colorant and source of iron.

Used as a colorant, mineral additive, and pH regulator.

Why it's flagged

GI upset at high intake
toxicity at very high doses

What regulators actually say

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Regulatory status

United States — FDA

Permitted iron source in fortified foods

European Union — EFSA

Listed as an EU food additive

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