Jim > The key question is whether one consumes enough extra protein that gluconeogenesis creates sufficient glucose to push one out of ketosis.  I don't know the answer to that.

I meant to say that I don't know *how much* extra protein it takes above daily needs to push one out of ketosis assuming no other carbs are being consumed.   But if I do know anything, it's clear to me that it's hard to get enough calories to maintain weight on a very low carb, moderate protein, unlimited fat diet!

Jim