It would depend how much of the nutrient is consumed.
Fat
Fats contain 9 calories per gram and is a long lasting energy source.
A pure gram of carbohydrates yields approximately 4 calories of energy, while a gram of protein also provides about 4 calories. In contrast, a gram of fat yields significantly more energy, approximately 9 calories. Alcohol, although not a nutrient, contributes about 7 calories per gram.
carbohydrates
carbohydrates
Fat
Fat
The most energy rich nutrient is fat. There are two other nutrients that produce energy for the body and they are protein and carbohydrates.
Fat with 9 calories per gram
Yes, alcohol is considered an energy-yielding nutrient. It provides approximately 7 calories per gram, which is more than carbohydrates and proteins (both at 4 calories per gram) but less than fat (9 calories per gram). However, while alcohol can supply energy, it does not provide essential nutrients and can have detrimental effects on health when consumed in excess.
Fat. More calories =more heat=more energy.
Fat is the nutrient that provides the highest number of calories (9 per gram).