Carbohydrates and protein are both rounded off as containing both 4 calories/gram, though some simple carbohydrates as sugars are actually lower at 3.4 cal/g. Fats are 9 cal./g.
carbohydrates
carbohydrates
Fat is the nutrient that provides the highest number of calories (9 per gram).
Fat is the nutrient that provides the highest number of calories (9 per gram).
Fat
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
The nutrient that provides four calories per gram and gives the body energy is carbohydrates. Carbohydrates are a primary source of energy for the body, especially for the brain and muscles during physical activity. They are found in foods like grains, fruits, and vegetables, and are essential for maintaining energy levels throughout the day.
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One gram of protein provides the body with four calories of energy.
Fat with 9 calories per gram
fats
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.