"Energy gels are concentrated carbohydrate-based fuel designed to provide quick, easily digestible energy for endurance athletes," explains Chicago-based registered dietitian and certified sports dietetics specialist Dawn Jackson Blatner, R.D., CSSD. In order to find the best energy gels on the market, our registered dietitians in the Good Housekeeping Institute Nutrition Lab analyzed everything from ingredients and formulations to flavors and consistency. And if energy gels aren't your thing, we included our recommendations for energy chews and drinks too.