Isolate
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What it is
Isolate refers to a purified protein source, often derived from plants like soy or peas, or from dairy like whey. The process involves separating the protein from other components like fats and carbohydrates, resulting in a highly concentrated protein powder.
Why it's used
Isolates are primarily used to boost the protein content of foods without significantly altering flavor or texture. They are common in protein powders, bars, shakes, and some baked goods, helping to create a more satiating and nutritionally dense product.
Health notes
In the U.S., protein isolates are generally recognized as safe (GRAS) by the FDA when used as intended. They are a concentrated source of protein, which is essential for muscle repair and growth. International bodies like JECFA have evaluated protein isolates. Evidence suggests that protein isolates are well-tolerated by most individuals when consumed as part of a balanced diet.
Allergen info
Depending on the source, protein isolates can be derived from major allergens. Soy protein isolate is derived from soy, and whey protein isolate is derived from milk. Consumers with allergies to soy or milk should check product labels carefully.
Products containing Isolate
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Ketchapaw Enterprises
Power Pro Whole Food 15G Protein Bar, Double Chocolate, Double Chocolate
—kcal
25Protein
30Fat
36.7Carbs
Lemon Strawberry Cheesecake Snack Bar, Lemon; Strawberry; Cheesecake
High in saturated fat — 45% DV per serving
425kcal
17.5Protein
32.5Fat
40Carbs
Wm. Bolthouse Farms Inc.
Blueberry Vanilla Nut Butter Protein Shake, Blueberry; Vanilla
High in added sugars — 42% DV per serving
89kcal
6.7Protein
3.3Fat
8.7Carbs
Atkins Nutritionals, Inc.
Chocolate Caramel Pretzel Bars, Chocolate Caramel
High in saturated fat — 25% DV per serving
395kcal
21.1Protein
18.4Fat
44.7Carbs