The sis go caffeine multipack is a great pack if you are looking to push your abilities and boundaries to the next level the addition of caffeine has been repeatedly shown by sport scientists to improve performance by providing both a physical and mental boost the easy to consume gel is ideal to have before and during your raceevent and coming in in two tasty flavours you are able to choose the one you prefer as well as having caffeine in the gel also contains 21 grams of carbohydrates th