Much of the lean body mass loss observed in ketogenic diet studies is likely attributable to water loss associated with glycogen depletion.

“yeah i mean we see that like in ketogenic diet studies like kevin hall study you know there was a loss of lean body mass but even i in in you know you know me i'm very critical of of uh you know zealots and nutrition — um and so when i've criticized you know ketogenic diet stuff i've even still said you know in this kevin hall study well that's most of that is probably water you know —”