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.
Probiotics · SIBO

Best Probiotic for SIBO: What Reddit Owners Report

Among probiotic options, Culturelle (LGG) has the best reports from people in r/SIBO and others who mention SIBO: 7 of 7 rated owner comments were positive. We rank by a context rating that pulls small samples toward the average, so a handful of glowing comments cannot top the list. Only options with at least 5 rated comments in this context are ranked. This is a summary of self-reports, not a recommendation, and it is not evidence that any of them works for you.

#SupplementContext ratingRated comments herePositiveNegativeUnwanted effectsOverall score
1L. rhamnosus GG (Culturelle)3.877013.9
2Spore-based probiotics (Bacillus)3.73830734.2
3L. reuteri3.781641473.5
4High-potency multi-strain (VSL#3 / Visbiome)3.7108113.7
5Saccharomyces boulardii3.687651654.0
6B. longum 35624 (Align)3.31710623.4
7Akkermansia (Pendulum)3.285313.3

Also mentioned, but with fewer than 5 rated comments in this context (not ranked): Seed DS-01, L. plantarum 299v.

Why each ranks where it does

1. L. rhamnosus GG (Culturelle)

7 positive and 0 negative out of 7 rated comments from people in r/SIBO and others who mention SIBO; 100% positive.

4/5

“One one of probiotics I was taking, LGG get rid of bilophila, but increased desulfovibrio.”

owner comment via r/Microbiome · 2026-04-27 · 4 upvotes

2. Spore-based probiotics (Bacillus)

30 positive and 7 negative out of 38 rated comments from people in r/SIBO and others who mention SIBO; 79% positive.

4/5

“I started taking spore based probiotics lately because it's supposed to help with the health of the valve and it do believe it is helping.”

owner comment via r/SIBO · 2026-10-16 · 9 upvotes
2/5 Bloating & gas

“I have/had similar symptoms and tried all those probiotics including some fancy ones like HU58 spore based ones and etc, probiotics never helped (and probiotic food like kimchi and fermented stuff would give me insane gas and acne).”

owner comment via r/SIBO · 2026-09-02 · 8 upvotes

3. L. reuteri

64 positive and 14 negative out of 81 rated comments from people in r/SIBO and others who mention SIBO; 79% positive.

4/5

“I used that when I first started making Reuteri yogurt now I am using Oxiceutics which a lot of people suspect is the BioGaia strains just not named.”

owner comment via r/SIBO · 2026-01-19 · 27 upvotes
2/5 Side effects

“I had tried the L-Reuteri yogurt but it did not help maybe made me worse so i’m curious if this strain would be different.”

owner comment via r/SIBO · 2025-12-19 · 2 upvotes

4. High-potency multi-strain (VSL#3 / Visbiome)

8 positive and 1 negative out of 10 rated comments from people in r/SIBO and others who mention SIBO; 80% positive.

4/5 Regularity

“I am using vsl3 refrigerated probiotics.”

owner comment via r/SIBO · 2026-04-26 · 3 upvotes

Safety notes

Check interactions with a pharmacist before starting, and see a doctor about new or severe symptoms.

Example Culturelle (LGG) products

Examples sold on Amazon, not ranked by Reddit. The score above is for the ingredient, not these products.

Example product · not Reddit-scored

Culturelle Digestive Daily Probiotic for Men & Women, 10B CFUs, 30 Count

Brand on Reddit: 3.8 from 30 owner comments · Culturelle owner reviews
$17.47 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Example product · not Reddit-scored

Culturelle Ultimate Strength Probiotic For Women & Men, 20B CFUs, 30 Count

Brand on Reddit: 3.8 from 30 owner comments · Culturelle owner reviews
$27.47 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.

Keep comparing