Ingredient

Rbst-free Whey Protein Isolate

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Source
Animal-derived
Allergen
No
Role in food
Manufacturers use whey protein isolate as a protein supplement to increase the protein content …

What it is

Whey protein isolate is a highly purified form of whey protein, a byproduct of cheese production. It is made by further processing whey to remove most of the lactose and fat, resulting in a protein concentration typically above 90%. This process yields a fine, off-white powder.

Why it's used

Manufacturers use whey protein isolate as a protein supplement to increase the protein content of foods and beverages. It is valued for its rapid absorption and complete amino acid profile. It is commonly found in protein powders, energy bars, and meal replacement shakes.

Health notes

Whey protein isolate is generally recognized as safe (GRAS) by the FDA when used as a food ingredient. It is a source of high-quality protein, which is essential for muscle repair and growth. International bodies like JECFA have evaluated whey protein, and EFSA has also reviewed its safety. At typical intake levels found in foods, it is not associated with adverse health effects.

Allergen info

Whey protein isolate is derived from milk, which is one of the 9 FDA major allergens. It is not gluten-containing.

Products containing Rbst-free Whey Protein Isolate

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Designer Protein LLC Tropical Fruit Protein Smoothie, Tropical Fruit Fruit & Vegetable Juice, Nectars & Fruit Drinks 100kcal 10Protein 3.3Fat 5.8Carbs Rasberry Passion Fruit Protein Smoothie, Raspberry Passion Fruit Designer Protein LLC Rasberry Passion Fruit Protein Smoothie, Raspberry Passion Fruit Energy, Protein & Muscle Recovery Drinks 100kcal 10Protein 3.3Fat 6.7Carbs Designer Protein LLC Protein 12G Smoothie, Strawberry Banana, Strawberry Banana Fruit & Vegetable Juice, Nectars & Fruit Drinks 100kcal 10Protein 3.3Fat 5.8Carbs Designer Protein LLC Mixed Berry Protein 12 G Smoothie, Mixed Berry Fruit & Vegetable Juice, Nectars & Fruit Drinks 100kcal 10Protein 3.3Fat 6.7Carbs Strawberry Banana Protein Smoothie, Strawberry Banana Designer Protein LLC Strawberry Banana Protein Smoothie, Strawberry Banana Fruit & Vegetable Juice, Nectars & Fruit Drinks 100kcal 10Protein 3.3Fat 5.8Carbs Protein 12 G Smoothie, Mixed Berry, Mixed Berry Designer Protein LLC Protein 12 G Smoothie, Mixed Berry, Mixed Berry Fruit & Vegetable Juice, Nectars & Fruit Drinks 100kcal 10Protein 3.3Fat 6.7Carbs Tropical Fruit Protein Smoothie, Tropical Fruit Designer Protein LLC Tropical Fruit Protein Smoothie, Tropical Fruit Fruit & Vegetable Juice, Nectars & Fruit Drinks 100kcal 10Protein 3.3Fat 5.8Carbs
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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.