Ingredient · E336(i)

Potassium Hydrogen L-tartrate

Source
Not animal-derived
Allergen
No
Role in food
It is commonly used as a leavening agent in baking, often combined with baking …

What is Potassium Hydrogen L-tartrate?

Potassium hydrogen L-tartrate is a salt of tartaric acid, a naturally occurring organic acid found in fruits like grapes. It is typically produced from cream of tartar, a byproduct of winemaking. It appears as a white crystalline powder.

Is Potassium Hydrogen L-tartrate vegan?

Potassium Hydrogen L-tartrate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Potassium Hydrogen L-tartrate gluten-free?

It does not contain gluten.

Is Potassium Hydrogen L-tartrate a major allergen?

Not a major allergen.

What is Potassium Hydrogen L-tartrate used for?

It is commonly used as a leavening agent in baking, often combined with baking soda to create baking powder.

Is Potassium Hydrogen L-tartrate safe?

Potassium hydrogen L-tartrate is generally recognized as safe (GRAS) by the FDA for use in food.

Why it's used

It is commonly used as a leavening agent in baking, often combined with baking soda to create baking powder. It helps baked goods rise and achieve a lighter texture. It can also be used as an acidity regulator and stabilizer in various food products.

Health notes

Potassium hydrogen L-tartrate is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of potassium. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated potassium tartrates and found them to be safe for consumption. There are no widespread controversies or significant health concerns associated with its typical use in food.

Allergen info

Not a major allergen. It does not contain gluten.

Foods that contain Potassium Hydrogen L-tartrate

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Last updated: October 5, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.