What is the energy value of proteins?

The energy value of proteins is approximately 16.7 kJ/g. This figure is widely accepted in nutrition science and signifies that for every gram of protein consumed, the body can derive about 16.7 kilojoules of energy. Proteins play a crucial role in numerous physiological functions, including tissue repair, enzyme production, and immune function. Understanding the energy value of proteins helps individuals plan their diets more effectively, ensuring they get adequate macronutrients for their energy needs. The other values presented do not accurately reflect the accepted caloric content of proteins, which is firmly established at 16.7 kJ/g.