Optimum Nutrition, Naturally Flavored Gold Standard 100% Casein Drink Mix, 24 g Protein Powder, Creamy Vanilla, 3.86 lb, 53 Servings Slow Digesting Protein Powder: Our 24 g of casein protein break down slowly, helping you to build and maintain muscles; use 100% casein between meals or at bedtime to support muscle recovery overnight. BCAAs Support Recovery: 4.9 g of naturally occurring BCAAs amino acids help you recover faster and be the fittest you can be. Micellar Casein: Each serving of casein delivers 24 g of a high-quality, slow-digesting, and anti-catabolic protein to help support the recovery process and achieve your health and fitness goals. Weight Management Powder Mix: This protein drink mix with zero trans fat helps you feel full while supporting your weight management goals. Vanilla Flavored Protein Powder: Each serving of this drink mix has 3-4 g carbs, 1 g sugar, and 1 g fat, providing the nutrition you need while still tasting delicious.