If I have a fitbit (versa 2) that is already connected to cronometer and logging activity, would enabling theTEF (Thermic Effect of Food) option make the calorie burn estimator more or less accurate?
Great question. I have the same question.
TEF is part of the energy you burn each day so counting it could give you a fuller picture of your total energy burned. However, if your energy settings are already meeting your needs, you don't have to turn it on. It's cool to see more data though, like other nutrient targets, these are average estimates for the general population.
TEF is higher for protein, followed by carbs and it is quite a bit lower for fats, so it would have more of an impact for high protein diets compared with, say, a high fat diet.
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