Ingredient

Magnesium Phosphate

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add magnesium phosphate to foods as a source of magnesium, a nutrient important …

What it is

Magnesium phosphate is a mineral compound that occurs naturally in the body and in foods. It is manufactured by reacting magnesium compounds with phosphoric acid. It is commonly used as a nutrient supplement and an anti-caking agent.

Why it's used

Manufacturers add magnesium phosphate to foods as a source of magnesium, a nutrient important for bone health and muscle function. It also helps prevent powders from clumping together, making it useful in dry mixes and beverages.

Health notes

Magnesium phosphate is generally recognized as safe (GRAS) by the FDA when used as a nutrient supplement or anti-caking agent. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated magnesium phosphate and established an acceptable daily intake. While magnesium is essential, very high intakes from supplements can cause digestive upset like diarrhea. Evidence does not suggest adverse effects from typical dietary intake.

Allergen info

Magnesium phosphate is not derived from any of the nine major allergens and does not contain gluten.

Products containing Magnesium Phosphate

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Abbott Nutrition Pediasure Sidekicks Vanilla 4Pk/8 Fl Oz Bottles 62kcal 2.9Protein 2.1Fat 8.8Carbs WWF Operating Company So Delicious Dairy Free, Coconut Milk Beverage, Chocolate Plant Based Milk High in saturated fat — 20% DV per serving 38kcal 0.4Protein 2.1Fat 5.4Carbs WWF Operating Company Almondmilk Plant Based Milk 29kcal 2.1Protein 0.8Fat 3.3Carbs Orange Juice Beverage Wegmans Food Markets, Inc. Orange Juice Beverage Fruit & Vegetable Juice, Nectars & Fruit Drinks 21kcal 0.4Protein 0Fat 5Carbs GOODNESS Goodness, Breakfast/Anytime Shake-To-Go, Mocha Breakfast Drinks 52kcal 4.5Protein 0.9Fat 7.3Carbs MARKET PANTRY Milk Chocolate Nutrition Shake Energy, Protein & Muscle Recovery Drinks 146kcal 5.4Protein 4.6Fat 20.8Carbs MARKET PANTRY Milk Chocolate Nutrition Shake Original Energy, Protein & Muscle Recovery Drinks 92kcal 3.8Protein 2.5Fat 13.8Carbs PARENT'S CHOICE Parent's Choice, Nutritional Shake, Chocolate Energy, Protein & Muscle Recovery Drinks 100kcal 2.9Protein 3.8Fat 12.9Carbs NUTRAFLORA FOS* High-Protein Nutrition With Fiber Energy, Protein & Muscle Recovery Drinks 0kcal 5.5Protein 3.9Fat 16.8Carbs PROMOTE Very-High-Protein Nutrition Drink , Vanilla Energy, Protein & Muscle Recovery Drinks 99kcal 6.2Protein 2.8Fat 13.7Carbs SUPLENA Therapeutic Nutrition Energy, Protein & Muscle Recovery Drinks 177kcal 4.4Protein 9.5Fat 19.3Carbs NEPRO WITH CARB STEADY Therapeutic Nutrition Energy, Protein & Muscle Recovery Drinks 177kcal 8.0Protein 9.5Fat 15.8Carbs
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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.