Help? Colon, Digestive health?

I’ve been having very unsatsfying bowel movements for some time. Gas, lower abdom uncomfortabilitys and other such issues. Now I’m wondering I do, take Acidophilus and probotics and such tablets I was wondering what else I could do to promote digestive and colon health to produce the best bowel movements my body can produce. I just don’t wanna have digestive issues anymore and stuff. Please help