Not that I know of.
Tesco used to have the Burgen bread, . It has 7.5 grams carbs per slice, but it seems discontinued.
I made another loaf today, it has 0.8 gr carbs per slice
After dinner I had 5.3 mmo/l in fact I haven't gone over 7 mmo/l for over a year.
Mostly between 5 and 6.5 mmo/l...