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.

Gut-lining & amino acids · powder, capsules or tea

Marshmallow root: What People With IBS Report on Reddit

Illustration, not a product photo.

A mucilage-rich root often paired with slippery elm.

3.5 GutVerdict score

21 owner comments (7 with a clear rating) from r/SIBO, r/IBS, r/Microbiome, r/Constipation, November 2025 to October 2026. Top 89% of the 36 rated supplements.

Owner sentiment3.5

Recommendations1.0

Tolerability5.0

ValueNot rated

Value is not rated: the example products differ too much in dose to compare cost fairly. How we score.

The short version

Marshmallow root is rated below most supplements we track: 3.5/5. Of 7 rated owner comments, 5 were positive, 1 mixed and 1 negative; 0 mention an unwanted effect. People talk most about cost and regularity.

Reddit comments are self-reported and unverified. They tell you what people noticed, not whether a supplement works or is safe for you.

People also compare supplements for SIBO on Reddit. For quick shortlists by symptom, see which gut supplements IBS communities rate highest. You can also compare all rated IBS supplements on one page.

What it is

Marshmallow root is a traditional mucilage herb; clinical trials for digestive symptoms are scarce.^[PubMed]

Safety and interactions

Safety in pregnancy is not well studied; tell your doctor about any herbal product you take.^{[NIH Office of Dietary Supplements]}

Supplements can interact with medicines. Talk to a doctor or pharmacist first, especially if you are pregnant, take prescription medicine, or have red-flag symptoms. See supplement safety and interactions.

Reports by symptom

Context	Rated owner comments	Positive	Negative	Unwanted effects
SIBO	5	5	0	0

What Reddit owners say

Commonly praised

Cost: 1 owner comment
Regularity: 1 owner comment
Pain & cramping: 1 owner comment

Common complaints

No recurring complaints yet.

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

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

4/5
“The powder I take is a GI relief with marshmallow root, licorice root, glutamine, betaine HCL.”

owner comment via r/SIBO · 2026-02-12 · 1 upvotes

2/5
“I remember trying marshmallow root years ago but in capsulesform.”

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

Example products

These are examples of Marshmallow root products sold on Amazon. They are not ranked by Reddit and the score above is for the ingredient, not a specific product. Check the label for dose and other ingredients.

Example product · not Reddit-scored

Nature's Way Premium Herbal Marshmallow Root, 960 mg per Serving, 100 VCaps

$13.99 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.

Check Price on Amazon

Example product · not Reddit-scored

SOLARAY Marshmallow Root 480 mg, 100 VegCaps

$12.49 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.

Check Price on Amazon

Research to read

Published studies (we list them so you can read the evidence yourself; inclusion is not an endorsement):

Curr Gastroenterol Rep 2019: Popular Remedies for Esophageal Symptoms: a Critical Appraisal.

FAQ

What do people with IBS say about Marshmallow root on Reddit?

Across 21 Reddit comments from people who say they have used it, 5 of 7 rated comments were positive and 1 negative, for a GutVerdict score of 3.5/5. These are self-reported experiences, not clinical evidence.

Who talks about Marshmallow root most?

Most rated owner comments come from people in r/SIBO and others who mention SIBO (5 comments, 5 positive).

Is Marshmallow root scored on clinical evidence?

No. The score summarizes Reddit owner comments only. Factual statements on this page link to NIH or PubMed sources, and nothing here is medical advice.