No. This product is not soy free as it lists 2 ingredients that contain soy.

Is Optimum Nutrition Gold Standard 100% Isolate, Protein Powder Drink Soy Free?

No. This product is not soy free as it lists 2 ingredients that contain soy.
Soy Free? Optimum Nutrition Gold Standard 100% Isolate, Protein Powder Drink | Spoonful