Flow Formulas Endurance Chews. Features: Endurance chews formulated with the same carbohydrate ratio as Flow Formulas Endurance and Gel mix lines Features a 1:0.8 ratio of glucose to fructose 5 chews per package Specs: Model:Endurance Chews Flavor:Strawberry Gluten Free:Yes Soy Free:Yes Vegan:Yes Non GMO:Yes Package:Each