Oral iron supplements can be irritating to the gut. You might try a multi-vitamin without iron. Have your doctor check to see if you're anemic or not. If you are, there are separate iron supplements that may be easier on the gut or you can have iron IV infusions.
Diagnosed with ulcerative colitis spring 1999. Have been in remission for years with only a few minor blips. Scope on 6/22 showed no inflammation at all.
Maintenance dose sulfasalazine. Probiotics, vitamin D, fiber supplement and fish oil caps. George's aloe vera juice and l-glutamine for gut healing. Mostly grain-free and dairy-free low carb diet.