24g Protein 2g Fat (or less), 3g Sugar (or less) #1 World’s Best Selling Whey Protein Powder Whey Protein Isolate (WPI) Main Ingredient More Than 5 Grams of the Naturally Occurring Branched Chain Amino Acids (BCAAs) in Each Serving The “Gold Standard” for Protein Quality World’s Best Selling Whey Protein Powder Whey Protein Isolates are the purest and most expensive form of whey protein that exists. That’s why they are the first ingredients you read on the Naturally Flavored Gold Standard 100% Whey label. By using Whey Protein Isolates as our primary protein source, we’re able to pack in 24 grams of the purest protein with a lot less of the fat, lactose, and other stuff that you can do without. What makes this formula even better is the fact that it contains no artificial flavors or sweeteners. There’s no question this is the standard by which other whey proteins are measured. For more than 30 years, Optimum Nutrition has been a trusted partner of athletes and active adults everywhere. Whatever you’re working hard to accomplish, we have the knowledge, experience, and superior quality nutrition products to help you become a better version of yourself. Let Optimum Nutrition help you fuel your fitness and nutrition goals, and live your best life.