Peter Attia· MD
and this is anywhere from 5 to 10% of your total daily energy expenditure for most people very very hard to measure um usually it's expressed in terms of you know calories per minute uh because they're only looking at it in the short term and when we do studies of total daily energy expenditure I mean usually what they're doing is using a constant for TEF they're they're making an assumption because it's just so hard to measure unless you're just measuring that over like the course of a couple of hours or maybe a day at most but we feel relatively confident based on the the studies out there that it's about 5 to 10% of your total daily energy expenditure so not a not a big contributor but still but it also seems to be macronutrient dependent correct it is it is so that's one of the things we'll come back to that when we get to yeah yeah