Last reviewed May 2026 · 1 min read
Is Tartaric Acid vegan?
Also known as: E334, Dihydroxybutanedioic acid
E-number: E334
Vegan
Suitable for a vegan diet.
Yes — It is harvested as a byproduct of the wine industry.
01 · The basics
What is Tartaric Acid?
A white, crystalline organic acid that occurs naturally in many fruits, most notably in grapes.
02 · The source
Where it comes from
It is harvested as a byproduct of the wine industry. It is 100% plant-based.
03 · Alternatives
Best vegan alternatives
Citric Acid
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Frequently asked
FAQ
Is E334 vegan?
Yes, it is derived from grapes.
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