Ingredient

Potassium Hydroxide

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Source
Not animal-derived
Allergen
No
Role in food
Potassium hydroxide is used as a pH adjuster in foods to make them less …

What it is

Potassium hydroxide is a strong alkali, also known as caustic potash. It is manufactured industrially through the electrolysis of potassium chloride solutions. It is a white solid that readily absorbs moisture and carbon dioxide from the air.

Why it's used

Potassium hydroxide is used as a pH adjuster in foods to make them less acidic. It can also act as a stabilizer and thickener. It is commonly found in products like energy drinks, infant formulas, and baked goods.

Health notes

Potassium hydroxide is Generally Recognized As Safe (GRAS) by the FDA for use as a food additive. It is used in very small amounts in food, and at these levels, it is not expected to cause harm. JECFA has evaluated potassium hydroxide and established an acceptable daily intake. EFSA has also evaluated its safety.

Allergen info

Potassium hydroxide is not derived from any of the nine FDA major allergens. It does not contain gluten.

Products containing Potassium Hydroxide

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Last updated: September 28, 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.