Grenade Carb Killa Fudge Brownie High Protein Shake The Grenade Carb Killa Fudge Brownie High Protein Shake ($34 for 12) is like a dessert in a glass. It tastes like chocolate milk and contains a whopping 24 grams of protein with only nine grams of carbs. Image Source: amazon.co.uk Grenade Carb Killa Fudge Brownie High Protein Shake $34 from amazon.co.uk Buy Now