Different Enzymes and Ingredients
Digestive enzyme supplements contain enzymes and possibly other ingredients that serve a couple of purposes. The first, of course, is to aid in digestion. The second is to actually relieve some of the heartburn symptoms in a sufferer’s body.
Papain: Papaya supplements contain papain, which is widely known for helping stomach digestion. You can take papaya enzymes on their own much of the time, but you’ll also find it combined with other natural supplements, like slippery elm and marshmallow root, for aiding digestion. Some people might experience slight irritation or an allergic reaction after taking supplements with papain, but this is most likely after taking way too much of the enzyme.
Lipase: Lipase comes from a variety of plants, bacteria and mold. It is a protein that helps speed up digestion, relieve heartburn, and even improve how some people react to gluten allergies. It is possible that lipase may prompt diarrhea or nausea after being taken.
Bromelain: Bromelain is an enzyme that comes from pineapple. It works in a number of capacities within the body. Two common ones are assisting in digestion and alleviating heartburn. Bromelain isn't often taken on its own, but works in conjunction with other enzymes like pepsin, which also assist in overall digestion. Not everyone has the desired experience with this enzyme, however. Sometimes the enzyme backfires, and users end up getting indigestion, diarrhea and upset stomach. Those with asthma should use caution with bromelain, while those with peptic ulcers should avoid it altogether.