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Is Ferrous Sulfate vegan?

Ferrous Sulfate

Vegan

Ferrous sulfate is an inorganic iron(II) salt that occurs naturally as the mineral melanterite. It is produced commercially from iron and sulfuric acid and is used as an astringent, antimicrobial agent, and iron supplement in cosmetics, medicine, and food fortification.

Also known as Green vitriol, Iron vitriol, Iron(II) sulfate, Melanterite
CAS number 7720-78-7
EC number 231-753-5
Last reviewed 16 April 2026

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