Slippery elm and digestion

What 3 graded rows on slippery elm agree on for digestion, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Slippery elm page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Slippery elm page, with its PubMed record.

Supplement

Slippery elm Choose another

3 rows · 75 people

Mostly an improvement: 2 of 3 rows, and most of the people. 1 found no difference.

No difference

Improved

Each block is one evidence row, sized by how many people it enrolled, with its grade inside.

From the rows

Who was studied

The best-graded row, grade D, is an open-label trial of 43 people (2020) and found an improvement.

Only the row that found no difference names women in its population.

2 improved · 1 no difference

Grade DDigestive symptoms with a multi-ingredient gut formula · Improved
Open-label trial · n 43 · 2020 · Adults with digestive disorders (Australia)
5 g/day, then 10 g/day · 16-week pre-post study
After a control phase, upper and lower digestive symptom scores improved by 60–80% over the study. There was no placebo group.
Row on the Slippery elm page · PubMed 32151878 (opens PubMed)
Grade DIBS symptoms with a slippery elm-containing formula (constipation type) · Improved
Open-label trial · n 10 · 2010 · Adults with constipation-predominant IBS (Australia)
Dose not stated in the abstract · Treatment phase of an uncontrolled pilot
In the 10-person constipation arm, bowel movements rose 20% and straining, pain, bloating and global IBS severity fell during treatment (P<0.05 for each). The formula also contained lactulose, a laxative, and there was no control group.
Row on the Slippery elm page · PubMed 20954962 (opens PubMed)
Grade DDigestive symptoms and body composition (detox blend with slippery elm) · No difference
RCT · n 22 · 2019 · Healthy young women
1,350 mg/serving blend, daily · 4 weeks
No benefit or harm versus placebo for digestive symptoms, body composition, waist size or blood markers.
Row on the Slippery elm page · PubMed 29958034 (opens PubMed)