The protein is pure, the vitamins are essential and the flavor is GR-R-REAT! Six Star 100% Whey Protein Plus is designed for daily nutrition. Now with the delicious one-and-only Kellogg’s Frosted Flakes cereal flavor, you’ll look forward to this shake every day! Every serving ...The protein is pure, the vitamins are essential and the flavor is GR-R-REAT! Six Star 100% Whey Protein Plus is designed for daily nutrition. Now with the delicious one-and-only Kellogg’s Frosted Flakes cereal flavor, you’ll look forward to this shake every day! Every serving delivers 30 g of ultra-pure, fast-absorbing 100% whey protein and is a source of 4 vitamins and minerals including vitamin C and zinc for added immune support.1 Day or night, after a workout or a game, or with a bowl of cereal, it’s designed for optimal performance to go all in.