When I did CD, I used to drink a Kenco coffee made with the pods that gave a creme layer. I contacted them about the ingredients and they said there was nothing added. The layer was made by the way the machine (Senseo coffee maker) pushes it through the pod or something.
I haven't tried the Nescafe Espresso coffee. Perhaps it uses the same process?
I've heard that the boaters coffee is a no-no on Cambridge.
Personally I can't see a problem with the skimmed milk, though I didn't try it, but thinking about it, you can have it on 790 and stay in ketosis, so perhaps you'd be okay. Need others thoughts on that.