Tag: Macronutrients energy

While fat is known to provide more calories per gram than any other macronutrient, the question of what contains more energy per gram has a far more astonishing answer when moving beyond simple nutrition. It's a journey from the chemical bonds of everyday substances to the powerful forces within atomic nuclei.

The standard Atwater energy value states that 1 gram of protein provides approximately 4 kilocalories (kcal) of energy to the human body. While this number is commonly cited on nutrition labels, the way your body utilizes this energy is distinct from other macronutrients like carbohydrates and fats.