Fats
fats supply the most calories per gram
Carbohydrates provide 4 calories per gram, fat provides 9 calories per gram and sugar also provides 4 calories per gram.
1 gram of alcohol
Protein provides 4 calories per gram.
Lipids provide the most amount of energy per gram compared to carbohydrates and proteins. They contain twice as many calories per gram (9 kcal/g) as carbohydrates and proteins (4 kcal/g).
Pure fat provides the greatest quantity of energy per gram compared to other fuels, containing approximately 9 calories per gram, while carbohydrates and protein contain about 4 calories per gram.
7 kcal per gram
Protein provides 4 calories per gram in a diet.
9 calories
Fat is the nutrient that provides the highest number of calories (9 per gram).
In food, there are three macronutrients that provide energy. They are fat, carbohydrates, and protein. Fat is the nutrient that provides the greatest amount of energy at nine calories per gram. Protein and carbohydrates provide only four calories per gram.
Fat is the nutrient that provides the highest number of calories (9 per gram).