There is a thing called "Man's Bread" sold at Healthfood stores which is really great, has lots of fiber, is low carb and, I think, contains very little sugar. I'm not sure of the brand, though.
ETA: I just found the brand and the nutrition info at Dailyplate:
http://www.thedailyplate.com/nutriti...dow/mens-bread 0g's of sugar! (and it tastes VERY good, btw)