Do digestive enzymes help with bloating after meals? What studies tested

The short answer

Short answer: sometimes, for some foods, in small studies. When one enzyme was matched to one kind of meal, controlled studies found less gas: alpha-galactosidase taken with a bean meal lowered breath hydrogen and how bad gas felt in 8 healthy volunteers. In a 19-person study with a chili meal, it cut gas but bloating did not differ. A review of multi-enzyme products says longer, better-designed studies are still needed.

A plate of spaghetti on a table, with a hand reaching for a bottle of Physician's Choice Digestive Enzymes — Photo: Physician's Choice.

Questions readers ask

This page exists because people keep asking some version of these, in public, in the last 30 days. None of them is a review of a product.

Copied exactly as posted; usernames removed.
Question, as posted	Community	Posted
"DAE look pregnant after eating a normal sized meal?"	r/DoesAnybodyElse	Sep 2026
"In the morning my stomach is flat, but if I eat anything whatsoever I bloat..."	r/GutHealth	Sep 2026
"What's everyone's thoughts on digestive enzymes? Considering trying them but skeptical"	r/Supplements	Sep 2026
"Has anyone figured out a way to eat beans/chickpeas without getting destroyed by bloating?"	r/GutHealth	Sep 2026

What studies tested

Two published trials sit behind most answers to this question, plus one review. Each tested something narrow.

Study	Enzyme and design	People and dose	Test meal	What changed
Di Stefano2007	Alpha-galactosidase. Randomized, double-blind, placebo-controlled.	8 healthy volunteers. 300 or 1,200 GalU.	420 g of cooked beans	At 1,200 GalU, less breath hydrogen and less severe gas over 8 hours. Both doses lowered the total symptom score.
Ganiats1994	Alpha-galactosidase drops. Randomized, double-blind crossover, one week apart.	19 people. 8 drops.	Meatless chili	Fewer gas events per hour over 6 hours. No difference in bloating or pain.

A lactase study is not covered on this page.

None of these studies tested a Physician's Choice product. Both single-enzyme studies paired alpha-galactosidase with one kind of meal. They do not tell you what an enzyme does with other foods. For which supplement fits which food, from lactase to simethicone, see What supplement helps with gas and bloating after eating?

What is still unknown

Whether results hold over time.The 2018 review says long-term studies with validated scoring systems and factorial designs are needed.
Which enzyme in a blend does what.No trial in that review was designed to link a symptom to one component of the mix.
Whether a small study applies to you.8 and 19 people are small groups, and the bean study enrolled healthy volunteers. An enzyme trial also assumes food is the trigger; for the other common causes, from swallowed air to hormone shifts, see what causes bloating. Whether a food is your trigger is what a food diary for bloating can show.
Gas and bloating are not the same result.The chili study found less gas but no change in bloating. For products sold for bloating itself, and what each label is allowed to say, see over-the-counter bloating relief.
How a label dose compares with a study dose.Studies report activity units, such as GalU. Many labels, including Digestive Enzymes, list only the blend weight in mg.

What is in Digestive Enzymes

Physician's Choice, which publishes this site, makes Digestive Enzymes. It is one option, and the studies above did not test it.

Bottle of Physician's Choice Digestive Enzymes, 60 capsules — Label lines checked against the Supplement Facts panel on Oct 8, 2026.

From the Supplement Facts panel

An 85 mg enzyme blend of 16 enzymes, including alpha-galactosidase and lactase
A 159 mg prebiotic and probiotic blend: organic inulin (Jerusalem artichoke), organic acacia fiber, inulin (chicory) and Bacillus probiotics
1 capsule per serving, 60 servings per bottle. Directions on the label: take 1 capsule with your largest meal

See all 16 enzymes

Bromelain, amylase, protease 4.5, glucoamylase, protease 6.0, papain, lactase, protease 3.0, peptidase, cellulase, beta-glucanase, alpha-galactosidase, lipase, xylanase, hemicellulase, invertase.

Bloat + Gas Probiotic, also made by Physician's Choice, lists a 36 mg enzyme blend that includes alpha-galactosidase.

The label gives one weight for the whole 85 mg enzyme blend.

See the label on physicianschoice.com

When to see a doctor

See a doctor before trying a supplement if you notice:

Gas or bloating that has not settled after a few weeks, or keeps returning
Blood in or on your stool
Weight going up or down for no reason you know of
Belly pain that is severe or does not ease
Pregnancy, nursing or a prescription medicine, before you add any supplement

Physician's Choice advises: "If you are pregnant or breastfeeding, are seriously ill, or have a weakened immune system, consult your healthcare provider before taking a probiotic or any other dietary supplement." On allergies: "If you have known allergies, review the product’s ingredient list and allergen information and consult your healthcare provider before purchasing or using it. Most of our products are formulated without the top 9 common allergens, but ingredients vary by product." On children: "Our Kids line includes a Kids Chewable Probiotic, Fiber Gummies, and a Probiotic + Fiber Powder. These are the only Physician’s Choice products we recommend for children under 18, and each should be used according to its labeled age range and directions. Always consult your child’s pediatrician or healthcare provider before starting a new supplement routine."

Page history

How this page was made, step by step.

Date	Step	What we did
Sep 5 to Oct 5, 2026	Shopper words	Read 1,031 public Reddit posts across 228 communities. 379 were about bloating, and 7 asked some version of "is it normal to look pregnant after eating anything?"
Sep 28, 2026	The question	Confirmed that search engines suggest "do digestive enzymes help with bloating" as people type it. The page answers it in the first lines.
Sep 28, 2026	Sources and label	Read the three PubMed records in full abstract, and checked the Digestive Enzymes label facts.
Oct 6, 2026	Published	Published by the Physician's Choice editorial team.
Oct 8, 2026	Recheck	Sources and label lines rechecked. Added a link to our answer on which supplement fits which cause of gas.
Oct 9, 2026	Update	Linked our new answer on what causes bloating.
Oct 10, 2026	Update	Linked our new guide to over-the-counter bloating relief.
Oct 10, 2026	Update	Linked our new guide to keeping a food diary for bloating.
Oct 12, 2026	Update	Linked our new answer on digestive enzymes side effects and daily use.
Ongoing	Rechecks	The label and sources are rechecked on a set schedule, and each change is added to this table.

Sources

Di Stefano M, et al. The effect of oral alpha-galactosidase on intestinal gas production and gas-related symptoms.Dig Dis Sci. 2007;52(1):78-83. PMID 17151807.
Ganiats TG, et al. J Fam Pract. 1994;39(5):441-5. PMID 7964541.Title withheld: it names a product. Double-blind crossover trial of oral alpha-galactosidase with a meatless chili meal.
Graham DY, et al. J Dig Dis. 2018;19(11):650-656. PMID 30101562.Title withheld: it uses clinical wording. Review of trials in people with ongoing digestive symptoms; cited only for what it says is still unknown.
Digestive Enzymes product page and labelPhysician's Choice. Blend, directions, warnings.

Common follow-up questions

Will an enzyme end bloating after every meal?

The studies above do not show that. One found less gas with no change in bloating. Results depended on the enzyme and the meal.

How is Digestive Enzymes taken?

The label says 1 capsule with the largest meal. Some people take an extra one with heavy meals, and most do not take more than 2 a day.

Are digestive enzymes safe to take every day?

That is its own question, answered in digestive enzymes side effects: are they safe to take every day? If you plan to take enzymes daily for a long time, ask your doctor first.