Grenade Carb Killa Protein Shake is a smooth and creamy high protein drink with under 200 calories, carb Killa Shake is seriously indulgent. With 24g of protein and 8.9g of carbs, carb Killa Shake is a convenient way to consume additional protein between meals without unwanted calories or carbs and can be consumed at any time during the day and is best served chilled.