Spore-based probiotics (Bacillus) vs Saccharomyces boulardii
On Reddit, owners rate Spore-based probiotics (Bacillus) higher overall (4.2 vs 4.0). Scores summarize self-reported experiences and are not evidence that either will work for you.
| Spore-based probiotics (Bacillus) | Saccharomyces boulardii | |
|---|---|---|
| Type | capsules | capsules |
| GutVerdict score | 4.2 | 4.0 |
| Owner sentiment | 3.9 | 3.6 |
| Recommendations | 3.7 | 3.7 |
| Tolerability | 4.8 | 4.8 |
| Owner comments | 194 | 478 |
| Rated comments | 83 | 177 |
| Unwanted effects reported | 8% | 8% |
| Top praise | Bloating & gas, Dose & timing | Dose & timing, Urgency & loose stools |
| Top complaints | Side effects, Bloating & gas | Side effects, Urgency & loose stools |
By symptom
| Context | Spore-based probiotics (Bacillus) | Saccharomyces boulardii |
|---|---|---|
| IBS-C & constipation | 16 of 17 positive | 16 of 21 positive |
| IBS-D & loose stools | 2 of 4 positive | 28 of 32 positive |
| Bloating & gas | 13 of 17 positive | 24 of 26 positive |
| SIBO | 30 of 38 positive | 65 of 87 positive |
| After antibiotics | 5 of 6 positive | 39 of 43 positive |
| Pain & cramping | 6 of 7 positive | 13 of 16 positive |
Strain matters more than brand; see probiotic strains explained. For the full picture, see our gut supplement ratings built from Reddit owner comments. Our gut supplement shortlists group top-rated options by what people report.
What owners say about Spore-based probiotics (Bacillus)
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.”
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).”
4/5“bacillus coagulans has been really good for me and mine.”
What owners say about Saccharomyces boulardii
4/5 Cost“I've tolerated taking Florastor 3x a day during antibiotics.”
1/5“Boulardii followed by a month of daily lentils solved 3 years of gut imbalance for me.”
4/5“Just added S Boulardii, which I previously tried and reacted to but now doing much better on it.”
Talk to a doctor or pharmacist before switching or combining supplements, particularly if you take other medicines.