High5 energy source drink sachets 47g x 12energysource is a new generation sports drink for use during exercise it contains a carbohydrate formulation of maltodextrin and fructose in a ratio of 21 and key electrolytes many of the worlds leading event organisers and pro athletes choose award winning energysource for success in the toughest endurance events research suggests that you should consume a maximum of 60g carbohydrate per hour from traditional sports drinks the recommended intake for