Flatulence
Summary of Flatulence
Primary Information, Benefits, Effects, and Important Facts
Scientific Information on Flatulence
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Human Effect Matrix
The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect flatulence.
| Grade | Level of Evidence [show legend] |
|---|---|
|
Robust research conducted with repeated double-blind clinical trials |
|
Multiple studies where at least two are double-blind and placebo controlled |
|
Single double-blind study or multiple cohort studies |
|
Uncontrolled or observational studies only |
|
Level of Evidence
?
The amount of high quality evidence. The more
evidence, the more we can trust the results.
|
Supplement |
Magnitude of effect
?
The direction and size of the supplement's impact on
each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
|
Consistency of research results
?
Scientific research does not always agree. HIGH or
VERY HIGH means that most of the scientific research agrees.
|
Notes |
|---|---|---|---|---|
|
|
Minor
|
- See study |
Flatulence as a side-effect of IBS is reduced with ingestion of peppermint oil
|
|
|
|
Notable
|
Very High See all 4 studies |
Both acute lactase supplementation and pretreatment of milk led to notable reductions in flatulence, as could be expected from the reduction in lactose fermentation. It's unclear which is more effective.
|
|
|
|
Notable
|
- See study |
Notably effective as dietary fibers should normally enhance flatus (almost being a 'per se' effect of dietary fiber) yet psyllium has noted the opposite effect.
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