A Yeast Probiotic for Everyday Gut Support
Most probiotics are bacteria. This one is a yeast, and that gives it a different job in a gut protocol. SFI Health (formerly Klaire Labs) describes Ther-Biotic Saccharomyces boulardii as "a powerful, unique, non-pathogenic yeast probiotic."*
Who I Reach For This With
- People who want a probiotic that is not a bacterial strain
- Anyone whose digestion needs support with occasional diarrhea
- Patients building a gut protocol who want a yeast-based option
- Patients already on a bacterial probiotic who want to add a different kind of support
What Makes This Form Different
- 3 billion CFU of Saccharomyces boulardii in every capsule
- Vegetarian capsule (hydroxypropyl methylcellulose, water) with L-leucine as the only other ingredients
- Made without common allergens (milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat/gluten, soybeans and sesame); non-GMO, no synthetic colors, flavors, or preservatives
What SFI Health Says It Supports*
- Healthy intestinal microflora and GI function*
- Healthy bowel transit time*
- Assists individuals with occasional diarrhea*
- Healthy inflammatory response, where inflammation is associated with occasional digestive discomfort*
How It Fits Into a Protocol
Because it is a yeast, it pairs well with a bacterial probiotic rather than replacing one. Ther-Biotic Complete or CoreBiotic cover the bacterial side, and GI-Synergy comes in when the focus is the gut lining. How long you take it is part of the protocol we set together.
Frequently Asked Questions
How is a yeast probiotic different from a bacterial one?
Saccharomyces boulardii is a yeast, not a bacterium. That is why many gut protocols pair it with a bacterial probiotic.
How do I take it, and which size should I choose?
SFI Health’s directions are 1 capsule twice daily, or as directed by a healthcare professional. The 60-capsule bottle is a 30-day supply at that dose and the 120-capsule bottle is 60 days. Choose by how long your protocol runs.
Who should check with a provider first?
SFI states it is not recommended for severely immunocompromised individuals or those with central venous catheters. If you are pregnant or nursing, have a medical condition, or take prescription drugs, check with your prescribing provider before adding it.
Supplement Facts: Serving size 1 capsule. Saccharomyces boulardii 3 billion CFU (in a 273 mg probiotic blend).
Suggested Use: Adults: 1 capsule twice daily or as directed by a healthcare professional. Children: As directed by a healthcare professional. Available in 60 or 120 capsules per bottle.
Other Ingredients: Vegetarian capsule (hydroxypropyl methylcellulose, water) and L-leucine.
Warnings: Not recommended for severely immunocompromised individuals or those with central venous catheters. Store in a cool, dry place (59ºF to 85ºF) away from direct light.
Ships direct from SFI Health (formerly Klaire Labs) — never third-party or gray-market stock. Every bottle comes straight from their facility, so lot numbers and expiration dates are exactly what SFI shipped.
Selected by Dr. Lorn Allison, DN.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.