Whilst Kristine has suggested a more protein-centric approach to trying to get the scale to move down, just to confuse the matter (sorry, lol) I'm going to suggest the 'fat fast' approach that Atkins included in his DANDR book as he talked about it being a tool that has proven incredibly useful to those who are especially carb-sensitive, metabolically obliterated or just finding it really difficult to get the regular low-carb regime to work. It's a lot harder to stick to because it's not necessarily the most appealing way to eat - weirdly enough, eating a lot of fat and little else isn't as easy as you'd think.

So yeah, if you have the book I think it's about two-thirds of the way through? (Not sure entirely, but it's definitely in there). Maybe check it out and see if it applies to your situation and then have a look on here to find others who have successfully used it as a way to kick their metabolism back into gear.

Lots of luck

Blue