A powerful, unique yeast probiotic

Saccharomyces boulardii is a nonpathogenic, transient yeast long used to support normal bowel transit time.* It is a hardy, acid-resistant, temperature tolerant species...

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A powerful, unique yeast probiotic

Saccharomyces boulardii is a nonpathogenic, transient yeast long used to support normal bowel transit time.* It is a hardy, acid-resistant, temperature tolerant species. S. boulardii is genetically and functionally distinct from brewer's yeast (S. cerevisiae) and different from pathogenic Candida species.

Klaire Labs® S. Boulardii is American Type Culture Collection (ATCC) certified and freeze-dried to maintain maximum strength and viability. Klaire uses only lactose-free, gluten-free material.

Klaire Labs® Probiotic Certification Program

Clinical effectiveness of probiotic organisms is dependent on many variables. Identification and selection of appropriate, documented probiotic species as well as maintenance of maximum viability throughout all stages of handling is central to expression of the full potential of beneficial gut flora. Klaire Labs® probiotic quality assurance commitment includes a rigorous independent testing program that monitors and ensures the identity, viability, and hypoallergenicity of raw materials and finished products.

New Look, Same Great Product
Klaire Labs® has introduced a fresh, new label design. The product quality and formulations remain the same.

  • A powerful yeast probiotic supplied in a based of plant cellulose.
  • American Type Culture Collection (ATCC) certified and freeze-dried to maintain maximum strength and viability.*
  • This hardy species is acid-resistant and temperature tolerant.
  • Hypoallergenic* product free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, and soybeans. Contains no artificial colors, flavors, or preservatives.
  • Trusted by healthcare practitioners since 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner.

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