Saccharomyces: The Beneficial Probiotic Yeast


Saccharomyces, notably Saccharomyces boulardii, stands out as a unique probiotic yeast with significant benefits for gastrointestinal health. Unlike typical bacterial probiotics, this yeast offers a different approach to balancing the gut microbiome.

Natural Sources and Supplementation Forms

  • Natural Sources: Saccharomyces boulardii is not commonly found in foods but is a component of certain traditional medicines and is used in the fermentation of some beverages.
  • Supplements: Available primarily in capsule and powder forms, Saccharomyces boulardii supplements are designed to withstand the acidic environment of the stomach, ensuring effective delivery to the gut.

Health Benefits

  • Digestive Health: Saccharomyces boulardii is highly effective in preventing and treating various types of diarrhea, including antibiotic-associated diarrhea and traveller's diarrhea.
  • Gut Barrier Function: It helps maintain and restore the gut barrier, which is essential for overall gut health.
  • Immune Modulation: This yeast also modulates the body's immune response, particularly in the gut.

Choosing the Right Supplement

When selecting a Saccharomyces boulardii supplement, it's important to look at the CFU count and the formulation type (capsule or powder). Consulting with a healthcare professional can provide guidance tailored to individual health needs.


Q1: What distinguishes Saccharomyces boulardii from other probiotics?

A1: Unlike most probiotics, Saccharomyces boulardii is a yeast. It offers unique benefits in treating and preventing diarrhea and enhancing gut barrier function.

Q2: Are there food sources of Saccharomyces boulardii?

A2: Saccharomyces boulardii is not typically found in standard food sources but is used in some traditional medicines and beverage fermentations.

Q3: What should I consider when choosing a Saccharomyces supplement?

A3: Look for the CFU count and whether the supplement is in capsule or powder form. Quality and storage instructions are also important factors.

Q4: Can Saccharomyces boulardii supplements have side effects?

A4: Saccharomyces boulardii is generally well-tolerated, but some individuals may experience mild gastrointestinal symptoms. It's always recommended to consult a healthcare provider before starting any new supplement.

Shop Our Probiotics Products

Explore our selection of Saccharomyces boulardii supplements, part of our comprehensive probiotics range. Like our Vitamin Navigator and Herb Hub, our collection ensures quality and efficacy. Choose the right Saccharomyces supplement for your digestive health needs. Shop now and experience the unique benefits of this probiotic yeast!


Saccharomyces boulardii offers a distinct approach to gut health, different from bacterial probiotics. Its ability to treat and prevent various forms of diarrhea, along with its gut barrier and immune-modulating effects, make it a valuable addition to a probiotic regimen.


  • Saccharomyces in Gut Health: Williams, N.T. (2021). Saccharomyces boulardii: The Probiotic Yeast. International Journal of Probiotics and Prebiotics.
  • Clinical Applications of Saccharomyces boulardii: Johnson, B. (2019). Saccharomyces boulardii: Clinical Applications in Gastrointestinal Health. Gastroenterology Research.


This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of your physician or other qualified health providers with any questions you may have regarding a medical condition.