Optimum Nutrition's 100% Whey Gold Standard contains 24 grams of whey protein, less than 5 grams of carbohydrates, 1.5 grams of fat and minimal lactose, the choice of brand is clear, now to decide what flavor and size! Optimum's 100% Whey Protein comes in 2, 5, and 10lb sizes and is available in Chocolate, Chocolate Mint, Strawberry, Vanilla, Tropical Punch, Rocky Road, and Cookies and Cream. And for a limited time, French Vanilla Cream, and Extreme Milk Chocolate and Banana.