Why do we offer Iso Whey Zero Black? Contains 90% protein Made with Native Whey Isolate Contains 3000 mg of creatine per serving Contains L-glutamine, L-arginine, and L-tryptophan. Also contains zinc bisglycinate for optimal testosterone levels We have added niacin, which is the precursor to NAD No sugar*, lactose**, or gluten*** No palm oil No preservatives It offers fast and effective absorption *The claim refers to the product dissolved in water, ready for consumption. No sugar: <0.5 g/100 ml of ready-to-drink beverage. **The claim refers to the product dissolved in water, ready for consumption. Lactose-free: <0.1 g lactose/100 ml of ready-to-drink beverage. ***Gluten-free in accordance with regulations.BioTechUSA