SiS GO Isotonic Energy Gel – Box of 30 is a fast energy gel with no need for water. When you need a fast convenient energy boost. We designed the worlds first isotonic energy gel to be clean in the mouth & easy to digest. Our patented product means it delivers energy fast without the need for extra water. Winner of the Queens award for enterprise, this innovative product continues to be seen at the forefront by endurance athletes. Use during endurance sessions & events to help avoid flagging.