Anyone encountering a similar problem? Particularly in the UK?
Yeah, definitely. I'm doing low fat diet now. As I can't tolerate fruit nor fruit juices I had to include more starch, specifically glutinous rice (see tyw's posts about the difference between amylase and amylopectin). I also make my own cheese from low fat milk. It's really easy and you can control the quality and histamine levels in cheese. Milk is rather cheap in the UK, so you can take advantage of it, and as far as I know low fat variety doesn't have any synthetic crap added.