9 calories of energy per gram. 9 calories of energy per gram.
4
supply energy (9 calories per gram) and serve as a solvent for vitamins A,D,E,K
One gram of protein provides the body with four calories of energy.
There are four basic food categories that give the body calories (energy); fat, carbohydrate, protein, and alcohol. Fat gives 9 calories per gram. Carbohydrates and proteins give 4 calories per gram. Alcohol gives 7 calories per gram.
fats
The answers is fats supply the most calories per gram.
Foods high in fat have the most energy per gram (i.e. 9 calories/gram vs. 4 calories/gram for carbohydrates or proteins). This is why it is easy to get fat if you eat fatty food and are not performing work involving lots of physical labor to burn those calories.
The body uses calories to provide energy to the body. Some calories have nutritional value and others don't and are referred to as empty calories. The calories present in alcohol are empty calories and contain 7 calories per gram.
fats
carbohydrates
carbohydrates
fats supply the most calories per gram