Ingested calories must be accounted for metabolically and cannot be created or destroyed.

“so when people if people want to invalidate energy balance what I always say is listen you ate those carbons something must happen to them you you cannot just they don't flutter off into Oblivion and you don't create them out of nothing right something has to happen to them and we have a lot of metabolic Tracer studies to pretty much know what happens to them I think the confusion becomes well I tracked my my calories I ate in a 500 calorie deficit and I didn't lose weight first off if we look at where these mistakes come in people weigh themselves sporadically and if you only weighed yourself once a week I would say it's virtually meaningless um when we are trying to get data on people we're very regimented with how we do it so it's you”