The High Protein Shake by Optimum Nutrition is a protein beverage designed to simplify your daily nutrition. This ready-to-drink option contains a generous 25 g of protein in a handy 500 ml bottle. Made primarily with skimmed milk and whey protein concentrate, it targets those looking for a nutritious on-the-go choice, requiring no mixing or preparation. The formula contains no added sugars and is low in fat, making it suitable for maintaining a balanced lifestyle. This shake is vegetarian and UHT treated, allowing for storage at room temperature before opening. Available in various flavors, it's perfect for enjoying post-workout or as a substantial snack between meals. Once opened, it should be refrigerated and consumed within three days.