Last reviewed May 2026 · 1 min read
Is Calcium Silicate vegan?
Also known as: E552
E-number: E552
Vegan
Suitable for a vegan diet.
Yes — It is a mineral compound produced by reacting lime (limestone) and diatomaceous earth (silica).
01 · The basics
What is Calcium Silicate?
A white, free-flowing powder used to prevent clumping in dry food products.
02 · The source
Where it comes from
It is a mineral compound produced by reacting lime (limestone) and diatomaceous earth (silica). It is entirely mineral-based and vegan.
03 · Alternatives
Best vegan alternatives
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Frequently asked
FAQ
Is calcium silicate vegan?
Yes, it is a mineral product and contains no animal derivatives.
Is it safe to eat?
Yes, it is an FDA-approved food additive used in very small amounts to keep powders from clumping.
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