- Providing energy and regulation of blood glucose
- Sparing the use of proteins for energy
- Breakdown of fatty acids and preventing ketosis
- Biological recognition processes
- Flavor and Sweeteners
- Dietary fiber
i think it is the most important nutrient because with out it we would have no energy so then we would have no way to work of all of our fat. also if we didn't have it there would be nothing to manage our glucose and then we would all die. therfor carbohydrates are the most needed nutrient.