I don't know of any in the UK, but you can get a good one for $10 at http://www.zapperplans.com so the customs shouldn't be any problem. I am glad you are trying one! For your depression, another good thing might be to add Kombucha http://www.kombuworld.lm77.com it will help your liver and build up your minerals. Your body needs a good mineral balance and good B vitamins.