Naughty Boy // ISO-9 Whey Protein Isolate 900gNaughtyBoy ISO 9 is our new Pure 100% Isolate whey protein. NaughtyBoy ISO 9 was created for those of us who favour purity, those of us who favour the low lactose triple filtered purity that you get from ISO 9. It's lower than usual calorie point allows the ability to be adapted into any type of diet, especially for those who want to keep calories low and pure quality protein high. NaughtyBoy ISO 9 was also created for people who enjoy a smoother