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 ...

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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. 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.

  • Comprehensive Digestive & Immune Support - Saccharomyces boulardii is a unique probiotic yeast that promotes digestive balance, enhances bowel function, and helps stimulate the immune system.*
  • Hearty, Acid-Resistant Strains - The S boulardii probiotic is an acid-resistant, temperature-tolerant organism unaffected by antibiotics and distinct from brewer’s yeast or Candida species, making it a reliable option for digestive support during times of microbial disruption.*
  • Supports Healthy Bowel Transit – Clinical studies show S. boulardii contributes to healthy intestinal function and promotes optimal bowel regularity by improving transit time and encouraging the production of nourishing short-chain fatty acids.*
  • Intestinal & Immune Support - Saccharomyces boulardii probiotics can help enhance intestinal immunity by increasing secretory IgA levels and stimulating crypt cell immunoglobulin receptors, meaning they can help reinforce the body’s natural defenses at the gut level.*
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and probiotics for digestive health remain the same.

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