Supplements for IBS-D and Loose Stools: What Reddit Users Report
This ranking reflects what people with IBS-D or loose stools report in Reddit comments: 395 rated owner comments, ranked by a context rating that shrinks small samples toward the average. It is not a recommendation to try any of them. Persistent or severe symptoms need a doctor's assessment.
Imodium (loperamide, an over-the-counter drug) comes up in 2,872 comments we scanned; we do not score or rank OTC drugs. See why OTC drugs are context only.
| # | Supplement | Context rating | Rated comments here | Positive | Negative | Overall score |
|---|---|---|---|---|---|---|
| 1 | Zinc carnosine | 3.9 | 3 | 3 | 0 | 3.7 |
| 2 | Saccharomyces boulardii | 3.8 | 32 | 28 | 4 | 4.0 |
| 3 | Iberogast (STW 5) | 3.8 | 7 | 6 | 0 | 3.8 |
| 4 | Allicin (Allimed / Allimax) | 3.8 | 7 | 7 | 0 | 3.6 |
| 5 | Butyrate / tributyrin | 3.8 | 5 | 5 | 0 | 3.9 |
| 6 | L-glutamine | 3.8 | 22 | 18 | 2 | 4.0 |
| 7 | PHGG (Sunfiber) | 3.8 | 18 | 15 | 2 | 3.9 |
| 8 | Wheat dextrin (Benefiber) | 3.8 | 7 | 6 | 0 | 3.7 |
| 9 | DGL licorice | 3.8 | 3 | 3 | 0 | 3.7 |
| 10 | Ginger supplements | 3.7 | 14 | 10 | 1 | 4.1 |
| 11 | Psyllium husk | 3.7 | 95 | 74 | 16 | 4.2 |
| 12 | Acacia fiber | 3.7 | 7 | 6 | 1 | 3.8 |
| 13 | Lactase enzyme | 3.6 | 9 | 6 | 0 | 3.7 |
| 14 | Magnesium oxide | 3.6 | 6 | 5 | 1 | 4.0 |
| 15 | High-potency multi-strain (VSL#3 / Visbiome) | 3.6 | 3 | 2 | 1 | 3.7 |
| 16 | Peppermint oil capsules | 3.6 | 19 | 13 | 3 | 3.8 |
| 17 | Spore-based probiotics (Bacillus) | 3.6 | 4 | 2 | 0 | 4.2 |
| 18 | Akkermansia (Pendulum) | 3.6 | 4 | 3 | 1 | 3.3 |
| 19 | Inulin / FOS | 3.5 | 6 | 5 | 1 | 3.5 |
| 20 | Atrantil | 3.5 | 7 | 5 | 2 | 3.8 |
| 21 | Digestive enzymes | 3.5 | 32 | 24 | 8 | 4.3 |
| 22 | B. longum 35624 (Align) | 3.4 | 11 | 7 | 3 | 3.4 |
| 23 | Candibactin-AR / BR | 3.3 | 3 | 1 | 2 | 3.5 |
| 24 | Magnesium citrate | 3.2 | 24 | 13 | 9 | 4.0 |
| 25 | Slippery elm | 3.2 | 5 | 2 | 2 | 3.7 |
| 26 | Magnesium glycinate | 3.1 | 8 | 3 | 5 | 3.7 |
| 27 | Oregano oil | 3.0 | 16 | 8 | 8 | 3.8 |
| 28 | Berberine | 3.0 | 11 | 5 | 6 | 3.6 |
| 29 | L. reuteri | 3.0 | 3 | 0 | 2 | 3.5 |
Our gut supplement shortlists group top-rated options by what people report. New to this? Start with how to choose a gut supplement. You can also compare all rated IBS supplements on one page.
In their words
5/5 Fast-actingUrgency & loose stools“Nutricost Zinc Carnosine works for me...”
4/5 RegularityUrgency & loose stools“I used s.boulardii, which has a lot of high quality evidence showing effectiveness against blastocystis.”
4/5“I've been sick for 15 years and only iberogast has helped me as of late to have more of a normal life, but I am IBS-Mixed.”
4/5“Saw improvement with first 14-day supply but I did not use pharmaceutical as second antibiotic; used prescription-strength allicin.”
Mixed and negative reports
2/5 Side effectsUrgency & loose stools“Boulardii gave me more diarrhea actually :( I've stoppped taking it as it didn't help me.”
2/5 Urgency & loose stools“i'm ibs-d and ppi and glutamine combo stopped my diarrhea but once i stopped ppi, it came back again.”
Before you try anything
- Start one supplement at a time so you can tell what made a difference.
- Check interactions with any medicine you take: safety and interactions guide.
- Background reading: Fiber Supplement Types Explained.