fats
Fats
fats
Well, 1g of carbs or proteins provides 4 calories of energy. The only other source of energy are alcohol and fat. Alcohol provides 7 calories of energy per gram and fat provides 9 calories of energy per gram. So if you want over twice the amount, then the only option is fat.
Fats contain 9 calories per gram and is a long lasting energy source.
food provides the human body with nutrients and energy. and all living things need energy.
Yes, all food provides calories. If something says it has 0 calories, that means that it supplies no energy and thus no nourishment to you, and is therefore not food.
carbohydrates
Fat
Fat
carbohydrates
For animals, the macronutrients are those food substances (carbohydrates, proteins, fats) that provide energy. [1] 1 gram of carbodydrate provides 4 calories[2] 1 gram of protein provides 4 calories[3] 1 gram of fat provides 9 calories
muscle
1 gram of fat provides 9 calories of food energy