I can't tolerate carbs too well, i find the wholemeal seeded bread is good for me (doesn't effect my blood sugar much) Also if i have fruit i have berries, they seem to have the least effect but as the others have said you need to test to see what you can and cant tolerate.
I am trying to get pregnant so i have to test more and it has made me so aware of what i can and cant eat, i have to keep really tight control, i test 1 hour after eating breakfast lunch and dinner and if i feel i need to i test more, it really has helped. My Blood sugar is usually 5-5.3 but if i exercise it tends to be in the high 4's the only time i go over 5's is during my period :twisted: when it can go up to about 6.3
It takes a while to find out how you react to certain foods but it's well worth it when you do. Good luck