Why should i take sis go plus isotonic gels depleting your carbohydrate stores during exercise is one of the major causes of fatigue in addition to ensuring optimal carbohydrate stores before exercise delivering additional carbohydrate during exercise is known to improve performance race times and delay the onset of fatigue as such si s go isotonic gels represent a highly practical solution to your in training and competition fuelling strategy by providing you with a quick supply of 22 gra