High 5 protein bar double chocolate 50g proteinbar is a throw in your bag source of protein and carbohydrate with a light texture and great taste which makes it easy to use after a tough session the ingredients used in this scientifically formulated blend of protein and carbs promote recovery of normal muscle function after exercise and contribute to the growth and maintenance of muscle mass muscles become sore and stiff when they are stressed during exercise the depletion of muscle glycog