No. This product is not lactose free as it lists 1 ingredient that contains lactose.

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

No. This product is not lactose free as it lists 1 ingredient that contains lactose.
Lactose Free? Optimum Nutrition Gold Standard 100% Isolate, Protein Powder Drink | Spoonful