Beer suitable for diabetics

Just drink normal beer.

https://www.diabetes.org.uk/guide-to-diabetes/enjoy-food/what-to-drink-w...

The important section reads;

If you're going to drink, it's good to be aware of all the facts so you can choose the types of drinks best for you. Avoid low-sugar beers and cider – sometimes called diabetic drinks.

To complete ANON's post, they say avoid these beers because they have more alcohol, which is not likely to be an issue unless you're driving.

to complete SOCRATE's comment, they contain more alcohol instead, which if you're a diabetic is an issue, whether you're driving or not.