I'd try Kefir... this fermented milk product restores the good bacteria to your GI tract better than yogurt. In the US we have Lifeway brand with 12 strains of probiotic in it.

Bloat often comes from the bacteria in your bowel fermenting your food...producing gas. If you have poor acid in the stomach the bloat can be from fermenting protein, which does not get broken down by the needed acid properly. Also some carbs will cause bloat too... especially the "gums" like guar gum or carob bean gum that are commonly added to processed foods to thicken them. (I got tremendous problems from Chobani Greek yogurt with locust bean gum (same as carob) added to it. )
When people have a history during their lives of many antibiotics, then the flora in the bowel changes, and all sorts of uncomfortable and unnatural things happen to digestion.

Another culprit is malted barley flour...which seems to be in almost all breads today. Malt is a laxative and in some people really causes gas, too. Because I have a birth defect...called malrotation, I am very sensitive to some foods, that produce gas --more so than other people, because my intestines are twisted up into a tight ball instead of being spread out. So any gas for me is quite painful and causes terrible grief when present.

So do look into your food, read labels carefully, and see if that helps. If you use acid blocking drugs you will get gas as a side effect of them, and you will lower the beneficial acid in the stomach leading to poor digestion.