I have a redundant colon too( noted on colonoscopy)... Not sure if that had given me constipation over the years or not... Interestingly enough I had a rectocele which I just had repaired last summer... I attribute that more to having 3 children.. I'm about 5 '0 and weigh 100 lbs .... but I also strained and had a lot of constipation for a lot of my life.. I was never told anything was abnormal about the redundant colon but assume it takes longer for waste to travel... One thing I use that is natural and really helps is a mixture of 1 cup applesauce, 1 cup prune juice, 1 cup wheat bran. I take a couple of TBS per day and it keeps things moving...