Digestive enzymes aid in breaking food down so it's less work on your intestinal tract. Many find digestive enzymes to be very helpful when taken after every meal. Natural digestive enzymes are papaya, kiwi, mango, pineapple, blueberries, watermelon, raspberries and grapefruite...many cannot tolerate these fruits with their IBD so supplement
form seems to be quite helpful. Here's a link with all kinds of foods that are considered to have digestive enzymes....
http://www.livestrong.com/article/301343-foods-with-naturally-occurring-digestive-enzymes/
You won't know until you try since with IBD it's all trial and error....good luck!