The main reason they are a no-no during induction is in order to break cravings. Induction period is to change eating habits, break cravings, and change the way we consider food. Eating alot of SF chocolates and diet sodas defete that purpose and can keep the cravings alive. After induction it's one of those experiment for yourself type deals.

Also be aware just because one sugar alcohol effects you, others may not. My son can handle lactol, but give him a little of the milatol (sp?) and there is a huge mess to clean up. For me most things made with sugar alcohols are just too overly sweet and upset my stomach. I've found some Hershey SF dark chocolate that tastes great though in small doses.