Last reviewed May 2026 · 1 min read
Is Cream of Tartar vegan?
Also known as: Potassium Bitartrate, Potassium Hydrogen Tartrate, Tartaric Acid, potassium salt, INS 334
E-number: E334
Vegan
Suitable for a vegan diet.
Yes — It is a natural potassium salt left over from fermenting grapes.
01 · The basics
What is Cream of Tartar?
A powdery acidic byproduct of winemaking, used in baking and stabilizing egg whites.
02 · The source
Where it comes from
It is a natural potassium salt left over from fermenting grapes.
Frequently asked
FAQ
Is cream of tartar vegan?
Yes, cream of tartar is a vegan ingredient. It is a natural byproduct of winemaking, derived from grapes.
What is cream of tartar made from?
Cream of tartar is potassium bitartrate, a potassium salt of tartaric acid. It's a natural sediment left after grape fermentation.
What is cream of tartar used for?
It's used in baking as a leavening agent, to stabilize egg whites, prevent sugar crystallization, and reduce discoloration of boiled vegetables.
Can cream of tartar be substituted?
Common vegan substitutes include lemon juice or white vinegar, though the exact ratio depends on the recipe and desired effect.
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