The SiS Protein Bar is your go to, to support muscle rebuild, the body’s adaption to exercise and training effectiveness. A tasty alternative to a protein drink, when you need protein on the move. It is important to consume protein in close proximity to training sessions (i.e. before or after training) in order to maximize training adaptations. Protein intake is often overlooked by endurance athletes. SiS Protein Bars provide an appropriate quantity of high quality protein for before or immediately post exercise.