Thanks folks! Yeah I hadn't thought about salt Snail, I do remember Duda mentioning that, now that you say it! Thanks It would be good to have something that makes it clear you're fat adapted. I take it do things just start to feel easier again?
Good idea re cashews etc. HC. Hadn't thought of anything like that. While I do love butter (and could easily just eat a lump of it!) I'm not sure how I'd carry that with me, haha. That said, I guess anything that fits in the LCHF bracket that's easily transportable (I HATE carrying anything in my hand so would need to fit in a belt etc.) would be good. bran syrup at a push I guess (sounds hellish but I should try before saying 'no' to it!).
I do feel a bit bereft of energy of late, so hopefully in a month or so it'll start to get a bit easier. Energy aside, I definitely feel better health wise on LCHF than anything else which is the main thing.