Science in sport go energy bar variety packwhen you want a nutritious snack that gives you energy fast reach for an n sis sis go ener which gy bar combines a scientific approach with real fruits and wholesome ingredients this variety pack comes with 25 bars in five different flavours proven by thousands of athletes in the worlds toughest races it meets their demanding energy needs sis go energy bars are moist delicious and easy to digest perfect before or during exercise and as an energ