hi everyone, i'm back again with more questions. i have unofficially diagnosed myself with IBS, since i tested negative for celiac, and have no problems with my gallbladder. but i still often have trapped gas, bloating, stomach aches, burping after i eat, which eventually builds up and then goes away gradually overnight (i guess when i'm completely relaxed...) not sure if this is tied in with lactose intolerance as well, because drinking milk makes my burping especially bad, and eating ice cream makes my stomach hurt for about 1.5-2 hours after i eat it.i currently take a probiotic by digestive advantage: IBS, which kind of helps, but does not help me enough to stop worrying about the problems with my digestive system. i've been thinking about taking magnesium or milk of magnesia for constipation/bloating relief, but i'm not sure of what form is supposed to help the most. (magnesium citrate? magnesium sulfate? magnesium oxide? milk of magnesia?) before i go to the store, i need to know which one to try.please help me and tell me which is best for my situation.