GrowXwerks Grow 100% New Zealand grass fed whey protein isolate. Our protein is sourced from naturally raised grass fed cows that naturally graze on the countryside of New Zealand, one of the strictest countries in the world when it comes to dairy quality. Meaning no hormones, antibiotics or pesticides that can be passed on to you. Whey isolate means our whey is "isolated" through micro filtration to almost totally pure protein at 25g of protein and over