NUTRITION DETAILS: Endurance athletes require a reliable fuel source to maintain high-energy performance output, and carbohydrates are the most efficient nutrient for fueling their bodies' energy demands Each gel contains 100 calories and 24 grams of carbohydrates that are fast-digesting to help you avoid stomach discomfort and provide sustained energy while training The Go Gel's base carbohydrate sources come from fruit purees and concentrates, without additives, colorants, flavors or preservatives The Go Gel is tested and certified by NSF for Sport to verify it does not contain unsafe levels of contaminants or prohibited substances