Get Raw Nutrition Raw Fuel Highlights: Each serving includes 24g carbohydrates in a precise ratio of 1 to 0.8 Glucose to Fructose, efficiently fueling the ultra-endurance athlete. This extensively researched ratio enables athletes to absorb a higher amount of carbohydrates per hour than a single source of carbs, without experiencing stomach upset. The carb sources are Maltodextrin, Cane sugar and fructose.