Approved by athletes, driven by scienceAll Styrkr drinks, gels, salts and bars have been specifically engineered to produce unique effects in the bodyspecifically, the bloodstreamthat reduce overall fatigue and energy expenditure while maintaining power and increasing output throughout endurance activity.Dual-sourceDuring intense activity, carbohydrates are your bodys primary energy source and more can be absorbed per hour when they come from dual sources. All of our drink mixes, gels and bars incorporate this dual-carb system to give you extra when you need it most.Perfect carb ratioStyrkr drink mixes and gels contain two transportable carbohydratesmaltodextrin and fructoseat a ratio of 1:0.8 to improve the exogenous carbohydrate oxidation rate and cause the least amount of gut discomfort compared to ratios of 1:1.25 and 2:12 day pack contains:1 x Bar50 Apple, Cinnamon & Caramel1 x Bar50 Dark Chocolate Chip1 x Bar50 Date, Almond & Sea Salt1 x Gel50 Mixed Berry1 x Gel50 Ci