Last reviewed May 2026 · 1 min read

Is Tricalcium Phosphate vegan?

Also known as: E341iii, Bone ash (if animal-derived, but commercial E341iii is mineral-based)

E-number: E341iii

Vegan

Suitable for a vegan diet.

In short

Yes — It is produced synthetically from phosphoric acid and calcium hydroxide.

01 · The basics

What is Tricalcium Phosphate?

A mineral salt used to fortify foods with calcium and as an anti-caking agent to prevent clumping in powders.

02 · The source

It is produced synthetically from phosphoric acid and calcium hydroxide. It involves no animal products.

Frequently asked

Is the calcium in my oat milk vegan?

Yes, most plant milk brands use mineral-derived tricalcium phosphate for fortification.

Is it vegan?

Yes, commercial E341iii is mineral-sourced.

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Powdered sugarSpicesFortified plant milksBaby formula

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