carbohydrates
which nutrient supplies the body with the most calories
Fat has the most calories per an ounce. There are 9 calories per a gram, so an ounce of fat has 255.06 calories.
The most energy rich nutrient is fat. There are two other nutrients that produce energy for the body and they are protein and carbohydrates.
Although the body is able to use energy also from fat and protein, the most preffered nutrient for energy production in the body are carbohydrates.
Fat with 9 calories per gram
Water
fat
Based upon how fast you can loose consciousness when deprived, oxygen is the most indispensable nutrient.
How the hell do I know!!!!!!!!!!!!!!! ()-l-/\
An important nutrient would be beta carotene, which the body uses to make Vitamin A.
The answers is fats supply the most calories per gram.
protein