Last reviewed May 2026 · 1 min read
Is Ferrous Gluconate vegan?
Also known as: E579
E-number: E579
Vegan
Suitable for a vegan diet.
Yes — Produced via the fermentation of plant-based glucose.
01 · The basics
What is Ferrous Gluconate?
An iron salt of gluconic acid, used as a dietary supplement and to blacken olives.
02 · The source
Where it comes from
Produced via the fermentation of plant-based glucose. 100% vegan.
03 · Alternatives
Best vegan alternatives
Ferrous sulfate
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Frequently asked
FAQ
Is E579 vegan?
Yes, it is a plant/mineral-based compound.
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