The Original The BestGU Energy Gel provides athletes with a dose of 100 calories to deliver highquality easilydigested and longlasting energy for athletes in every sport and at all levels Everything inside each packet of GU is engineered to do one simple thing provide your body with the essential nutrition it needs to keep going for miles and miles and hours and hours It goes down easy and it goes to work fast so you dont have to slow downWhats in itCarbohydrates GU provides athletes with a dose of 100 calories in the form of 7080 maltodextrin and 3020 fructose The ratio depends upon the flavor Why the mix Its a complex carbohydrate and studies have shown that some complex carbs are actually digested faster than simple sugars like table sugar and honeyAmino Acid Blend GU features a unique blend of amino acids to combat muscle fatigue accelerate the conversion of carbohydrates into usable energy and maintain mental focusElectrolytes Sodium and potassium to replenish what is lost during strenuous activityCaffeine Some GU flavors are caffeinated while others are not We add caffeine for two reasons It acts as a stimulant and it lowers the perceived effort Hows it differentAn optimal blend of carbohydrates the proprietary GU amino blend and a full serving of Vitamin C E Oh yeah did we mention taste GU Energy Gel has the timetested consistency and delicious taste that athletes have come to expect from the original energy gelHow do I use itGU should be consumed 15 minutes before and then every 45 minutes thereafter