Ingredient

Monobasic Potassium Phosphate

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Source
Not animal-derived
Allergen
No
Role in food
This ingredient is often used as a buffering agent, meaning it helps control acidity …

What it is

Monobasic potassium phosphate is a salt made from potassium and phosphate. It is produced by reacting phosphoric acid with potassium hydroxide or potassium carbonate. It is commonly found in a white crystalline powder form.

Why it's used

This ingredient is often used as a buffering agent, meaning it helps control acidity in foods. It can also act as a nutrient supplement, providing potassium and phosphorus. You'll find it in powdered drinks, sports drinks, and specialty formula supplements.

Health notes

In the U.S., monobasic potassium phosphate is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of essential minerals, potassium and phosphorus. International bodies like JECFA have evaluated it. At typical consumption levels, it is not associated with adverse health effects.

Allergen info

Monobasic potassium phosphate is not derived from any of the nine FDA major allergens. It does not contain gluten.

Products containing Monobasic Potassium Phosphate

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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.