fiber
it is carbohydrates
Protein
i think the sun provides it
Vitamins, minerals, fiber, and water do not provide energy
Carbohydrates mainly provide energy.
Glucose.
Fiber is classified as a "non-essential substance" thus far, as most dietary fiber is not absorbed by the digestive tract. It is not classifed under any nutrient. It does however, aid in absorbing and digesting other substances.Debates are ongoing as to whether or not fiber should be classified as a nutrient in and of itself. Perhaps one day, it will be, but it is unlikely.
fats :)
protein protein
Carbohydrates provide energy for muscles in the form of glycogen.
Fiber is made of glucose molecules arranged into a starch(cellulose), so they are not a quick source of energy. Humans have difficulty digesting fiber.