If you haven't already get a blood glucose test kit. Beans and pulses are terrible for me but tomatoes I seem to be able to eat in a reasonable quantity. Beans and pulses are ok for my partner though in smaller quantities than before. We only know that because we've done some testing.
What...
My partner is vegan and his hba1c is on the high side - 39 He has been vegan for over 30 years. There is some type II in his family but his vegan diet does not seem to have stopped him progressing towards prediabetes despite what appeared to be a pretty healthy diet other than the ocasional carb...