Clif Cubes Endurance Bites 12 Pack Nutrition Tart Cherry : Designed for fueling athletes during Clif Cubes Endurance Bites 12 Pack, includes on-the-go nutrition made with real fruit and nut butter. This slow-release of energy provides well-needed fuel for longer training and events. These convenient bites are even scored for easy portion control on-the-go. For Best Results: Eat 5 bites in 1 package per hour during longer-endurance activity. Complement with other CLIF Athlete Series foods and drinks to meet your total sports nutrition. USDA Organic. Non-GMO.