Can B complex vitamins cause excessive gas?

I started taking B Complex vitamins a little over 3 weeks ago, about 2 and a half weeks ago I got really bad gas, it was after I ate some middle eastern food for the first time and I thought it was because of that. But a few days later I still am having the same gas, very frequent, and very smelly a little while after I take my B complex vitamin, so yes, at least for me, it seems the B is giving me G