protein protein
fat
Fat
phi long the bob nguyen
The most energy rich nutrient is fat. There are two other nutrients that produce energy for the body and they are protein and carbohydrates.
If you are looking for a nutrient, then Milk and Cheese are very high in calcium, however if you want specific vitamins, then they do not have much, but they do contain the most vitamin A.
proteins
Fat
The mitochondria release energy from nutrient molecules and transform the energy into a usable form. They are one of the most important organelle in the cell.
Fat.
Wind
I believe that is fat.
Corn usually provides the most energy for horses. also Rolled oats.
Hydropower
Protein and carbohydrates both contain 4 calories per gram and fats contain 9.2 calories per gram. If we are discussing fast energy transfer, simple carbohydrates and fats provide the most available energy