Optimum Nutrition’s Gold Standard 100% Whey is the Most Awarded, Best-Selling, Whey Protein Powder on the Planet.* 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 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. 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.