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

Is Dymatize ISO•100® Hydrolyzed 100% Whey Protein Isolate Peanut Butter Soy Free?

No. This product is not soy free as it lists 2 ingredients that contain soy.
Soy Free? Dymatize ISO•100® Hydrolyzed 100% Whey Protein Isolate Peanut Butter | Spoonful