Last reviewed May 2026 · 1 min read
Is Ascorbic Acid vegan?
Also known as: Vitamin C, E300
E-number: E300
Vegan
Suitable for a vegan diet.
Yes — It is produced on an industrial scale from glucose (usually derived from corn) through a chemical and microbial process.
01 · The basics
What is Ascorbic Acid?
The chemical name for Vitamin C, used as a dietary supplement and a food preservative to prevent oxidation (browning).
02 · The source
Where it comes from
It is produced on an industrial scale from glucose (usually derived from corn) through a chemical and microbial process. It is 100% plant-based.
Frequently asked
FAQ
Is E300 vegan?
Yes, ascorbic acid is completely vegan and usually derived from corn.
Commonly found in
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