Goals ›

Bloating & gas

A tight, swollen belly and too much gas.

Strongest evidence: Probiotics, Fiber and Prebiotics.

Supplements for bloating & gas

Each supplement gets the grade of its strongest bloating & gas benefit. Open one to see each benefit.

StrongModerateWeakNo trials
SupplementMain effects in studiesEvidenceBenefits studied
ProbioticsBloating/gas ↓ gas, Bloating/gas ↓ flatulenceStrong1 of 1
Fiberless bloating, gas -42%, more bloating, gas +23%Strong1 of 1
PrebioticsReduced bloating/gas, + symptoms reliefStrong1 of 1
Digestive EnzymesBloating/gas ↓ 42.3%, Bloating/gas improvedStrong1 of 1
Peppermint OilPain & bloating ↓, Gas/flatulence ↓Strong1 of 1
ButyrateLess bloating/gas, butyrate↑, Symptoms improve, gas↓Strong1 of 1
GingerBloating ↓, gas ↓, Bloating −24%, symptoms ↓Moderate1 of 1
PsylliumLess gas, slower transit, IBS relief, fewer symptomsModerate1 of 1
FennelLess bloating/gas, + bowel reliefModerate1 of 1
Activated CharcoalGas odor -86%, Bloating symptoms ↓Moderate1 of 1
Showing 10 of 23 supplements.

What bloating & gas covers

One benefit that studies measure, and the supplements with the strongest evidence for each.

Bloating & gas

The feeling of a distended, gassy abdomen, and the visible swelling that sometimes goes with it. It is scored on symptom questionnaires, and occasionally measured directly as gas produced or as abdominal girth.

23 supplements, 6 strong
  1. ProbioticsStrong, 199
  2. FiberStrong, 63
  3. PrebioticsStrong, 38
  4. Digestive EnzymesStrong, 30
  5. Peppermint OilStrong, 15

Protocols for bloating & gas

What studies used, for this goal or for a group of people. Not advice: talk to a doctor first.