Grenade's popular Carb Killa bars are the perfect on-the-go protein boost at any time of the day. Containing 22g of high-quality protein to help you grow and maintain muscle mass, the Carb Killa is also low in sugar making it the ideal snack after exercise to support your nutrition and training goals. Grenade’s popular Carb Killa bars are the perfect on-the-go protein boost at any time of the day. Containing 22g of high-quality protein to help you grow and maintain muscle mass, the Carb Killa is also low in sugar making it the ideal snack after exercise to support your nutrition and training goals. Perfect for a post-workout. GMO free. Great on-the-go protein boost These great-tasting bars are available in more than ten appetising flavours, including favourites like Cookies & Cream and Jaffa Quake. Whether you fancy a change or trying something new, Grenade's Carb Killa makes a great alternative to a high protein diet! Tried Carb Killa Bars yet? Delicious in taste, they are high in protein and low in sugar.