I think it is not so difficult, but you can find right food.
Drugo Lebowski
in reality, even in the UK there are many varieties of low carb snacks you can eat. If you don't have the opportunity to do an accurate search in supermarkets, Amazon provides ready-made boxes that arrive directly at your home. Check on amazon!
Marie Anne St Jean
Go for real food instead of processed stuff that might be keto, but still full of other junk that isn't good for you.