Science in sport go energy bars 65g x 24 when you want a nutritious snack that gives you energy fast sis go energy bar combines a scientific approach with real fruits and wholesome ingredients proven by thousands of athletes in the worlds toughest races it meets their demanding energy needs sis go energy bar is moist delicious and easy to digest perfect before or during exercise and as an energy loading snack between meals features may contain pips and stones contains gluten soya suit