Hard to get in the UK. Some chewing gums have xylitol but don't say how much and they still have other stuff like sorbitol and maltitol. I'm not sure why it's c

Hard to get in the UK. Some chewing gums have xylitol but don't say how much and they still have other stuff like sorbitol and maltitol. I'm not sure why it's commercially unpopular - expensive, perhaps?