Medical disclaimer: GutVerdict summarizes what people say about supplements on Reddit. It is not medical advice, and nothing here is meant to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Talk to your doctor or pharmacist before starting a supplement, especially if you are pregnant, take medicines, or have a medical condition. New, severe or worsening symptoms (such as blood in the stool, weight loss, fever, or night-time symptoms) need a doctor, not a supplement. Full disclaimer.

Slippery elm vs Marshmallow root

On Reddit, owners rate Slippery elm higher overall (3.7 vs 3.5). Scores summarize self-reported experiences and are not evidence that either will work for you.

Slippery elmMarshmallow root
Typepowder or capsulespowder, capsules or tea
GutVerdict score3.73.5
Owner sentiment3.53.5
Recommendations1.91.0
Tolerability5.05.0
Owner comments8121
Rated comments327
Unwanted effects reported0%0%
Top praiseDose & timing, Taste & textureCost, Regularity
Top complaintsUrgency & loose stoolsNone yet

By symptom

ContextSlippery elmMarshmallow root
IBS-C & constipation0 of 3 positiveToo few comments
IBS-D & loose stools2 of 5 positiveToo few comments
SIBO15 of 18 positive5 of 5 positive

What owners say about Slippery elm

4/5

“Slippery elm helped a little too if you haven’t tried that but it didn’t as much for me.”

owner comment via r/IBS · 2026-04-24 · 4 upvotes
3/5 Urgency & loose stools

“I drank slippery elm bark tea for a while and while it didn't help my diarrhea it did soothe a burning feeling on the left side of my belly.”

owner comment via r/IBS · 2026-03-29 · 3 upvotes
4/5 Taste & texture

“yh exactly that, BPC 157 is a peptide so i can’t really recommend it you would have to do your own research, slippery elm i did one capsule a day in tea and one swallowed as i tried to help my LPR, it didn’t do too much however.”

owner comment via r/SIBO · 2026-04-10 · 3 upvotes

Full Slippery elm page →

What owners say about Marshmallow root

4/5 Pain & cramping

“I take 10 to 15 grams of creatine mixed with marshmallow root extract powder (to reduce cramps) + some electrolytes, all in water.”

owner comment via r/SIBO · 2025-12-26 · 2 upvotes
2/5

“I remember trying marshmallow root years ago but in capsulesform.”

owner comment via r/IBS · 2026-10-13 · 1 upvotes
4/5 CostRegularity

“I can assume it would be better tolerated than regular MSM because of the addition of marshmallow root and the other stuff, and would consider buying it if it wasn't impractical to get it where I live due to high shipping costs, and its…”

owner comment via r/SIBO · 2025-12-12 · 1 upvotes

Full Marshmallow root page →

Talk to a doctor or pharmacist before switching or combining supplements, particularly if you take other medicines.