Of course a calorie has the same amount of energy. One dietary calorie contains around 4,1 Joules of Energy. So yes, in this term a calorie is a calorie but it is a huge difference if you getting your calories of candy or lentils! The thermic effect of food is a good example to illustrate this! For different foods do exist different metabolic pathways. For Instance: Proteins contains 4 calories per gram, but a large part of these protein (25%) is lost as heat through the metabolic system of the body. Fat is just around 2% and Carbs around 6%. Therefore, you see that it is also a difference on which macros you are focusing!

Categories: Nutrition

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