From Manufacturer''s Label:

Nature''s Best Zero Carb Isopure contains 50 grams of 100% Ion Exchange Whey Protein Isolate. Any and all impurities typically found in most whey proteins have been removed to provide you with a great tasting, lactose free, fat free, glutamine enriched, state of the art carbohydrate free protein supplement.

Manufactured by: Nature''s Best