Outside of exteeme cases it is: https://www.npr.org/sections/thesalt/2012/07/24/157317262/how-many-calories-do-olympic-athletes-need-it-depends https://www.npr.

Outside of exteeme cases it is: https://www.npr.org/sections/thesalt/2012/07/24/157317262/how-many-calories-do-olympic-athletes-need-it-depends https://www.npr.org/sections/thesalt/2012/07/24/157317262/ho... People also tend to overestimate how much calories they consume a day when you average it out over a period of time. You can have days with 4500 kcal and days with 2500 kcal.