Worked for me, though I have been plateaued for the last year a few pounds and several waste inches above where I'd ideally like to be. Haven't figured out how to bust through that yet.

I strongly suspect that when we do figure this out, ketogenesis will be a large part of any eventual solution, but I don't think we have all the answers yet.

I do know folks for whom low carb diets failed, but in all cases I'm personally familiar with that's because they couldn't maintain them. (which is a strike against low-carb diets, of course; an unmaintainable diet isn't useful) I know of one case of someone who took off 150+ pounds using low-carb and then put 50 or so pounds back on while continuing low carb. Still he never came close to getting back to where he was pre-low-carb. I'm curious if anyone has simply failed to lose weight while maintaining a low carb diet. I think Atkins talked about this possibility in the last edition of his diet book he authored. I'll have to look up the citation, but there are some medical conditions that can cause weight gain/prevent weight loss that show up in a few percent of patients.