Prostar® 100% Whey utilizes a proprietary micro and ultra-filtration process to ensure the highest quality whey protein powder. We pack the highest protein content per serving with 25 grams of our whey protein isolate, whey protein concentrate, and whey peptide blend. Prostar® 100% Whey mixes instantly to make the best protein shake or smoothie. Our Research and Development team has perfected the most delicious gourmet flavors like Cocoa Mocha, Chocolate Creme, and Peanut Butter and Jelly.