Hi
If you are worried about mixing Nal and Champix have you considered using the e-cigarette to cut down/ give up. I have the D901 (which is a bit of a toy but is fairly cheap and a good way to start) and the ”Screwdriver” which really works well but is a bit pricey.
You may be aware of the e-cig in which case I apologize, but if not the two sites that I recommend for info are
http://groups.ebay.co.uk/clubforum.jspa ... 1481527515This is the forum on Ebay uk and is a mine of useful information.
The other site worth looking at is
http://www.theelectroniccigarette.co.uk ... ?shop=homeThis explains the e-cig concisely and clearly.
These are both UK based but I find them far more usable than the US forum.
Sorry to butt in with a non-nal post but thought it might be useful to you -and sorry I don't know how to do links - yet.