Is Optimum Nutrition Performance Whey Isolate Soy Free?
No. This product is not soy free as it lists 2 ingredients that contain soy.


Ingredients
Whey Protein Isolate (88%) (milk) [emulsifier (332 From Soy)], Cocoa Powder (6%), Flavors [milk], Salt, Thickener (466), Sweeteners (955,950). Contains: Milk, Soy. May Contain Egg, Peanuts And Tree Nuts.
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