Saccharomyces Boulardii (Probiotic Yeast) – Intestinal balance, digestive comfort, resilience during antibiotic treatments, and immune support

Saccharomyces Boulardii (Probiotic Yeast) Now Foods is a premium probiotic supplement, formulated with the established strain Saccharomyces cerevisiae var. boulardii I-3799, in a concentrated dose – 10 billion CFU per serving, corresponding to 1,000 mg of S. boulardii (NRV not defined). This beneficial yeast is recognized for its resilience in the gastrointestinal environment, stability in the face of pH variations, and for the fact that it acts transiently, without permanently colonizing, contributing to microbiota balance during use. Due to its nature as a yeast (not a bacterium), S. boulardii remains active even in the context of antibiotic use, which makes it a valuable option for maintaining digestive comfort during demanding periods. The formula is designed to support intestinal flora, the mucosal barrier, immune response, and daily digestive rhythm.

Detailed benefits of Saccharomyces Boulardii (Probiotic Yeast)

• Microbiota balance and support for microbial diversity

A balanced intestinal microbiota is essential for digestion, the synthesis of beneficial compounds, and overall tone. Imbalances may be accompanied by:
• recurrent abdominal discomfort;
• unpredictable transit;
• increased sensitivity to certain foods.

Through the intake of S. boulardii I-3799:
✅ it supports the balance between commensal microorganisms;
✅ it limits the unwanted development of opportunistic species;
✅ it offers a transient framework for microbiota support, adapted to the daily rhythm.

• Digestive comfort and reduction of unpleasant manifestations

Stress, irregular meals, or routine changes can influence abdominal comfort. Without adequate support, the following may appear:
• a feeling of fullness or bloating;
• variable transit;
• a capricious digestive rhythm after hearty meals.

S. boulardii:
✅ contributes to the normalization of intestinal fermentations;
✅ supports a more predictable transit;
✅ favors postprandial comfort and a more stable digestive state.

• Resilience during or after antibiotic treatments

The use of antibiotics can temporarily diminish commensal bacterial populations. In this context, bacterial probiotics can be sensitive to antibiotic action. As a probiotic yeast, S. boulardii:
✅ remains functional in parallel with antibiotic therapy (it is not a usual target of antibiotics);
✅ supports the continuity of intestinal comfort;
✅ contributes to a smoother return to the usual digestive rhythm after completing the treatment.

• Support for the intestinal barrier and mucosal integrity

The mucus layer and tight junctions between cells represent the “gate” that controls interaction between the environment and the body. When integrity is disrupted, the following may occur:
• digestive sensitivity;
• inadequate local responses;
• fluctuations in well-being.

S. boulardii:
✅ supports mucosal homeostasis;
✅ contributes to maintaining a functional intestinal barrier;
✅ supports a more predictable internal environment for digestion.

• Immune response and overall state

Approximately two-thirds of the immune system is associated with the gut. Digestive imbalances can be reflected in how we adapt to daily challenges. Through local mechanisms at the mucosal level, S. boulardii:
✅ supports the balance of the intestinal immune response;
✅ contributes to resilience during demanding periods;
✅ offers a favorable background for overall well-being.

• Support while traveling and during routine changes

Time-zone shifts, different foods, or new water sources can disrupt transit. Without preparation, the following may occur:
• accelerated or, conversely, slow transit;
• abdominal discomfort;
• difficult digestive adaptation.

S. boulardii:
✅ helps stabilize intestinal rhythm in new contexts;
✅ supports short-term digestive adaptation;
✅ contributes to maintaining comfort during travel.

• Beneficial microbial metabolisms and intestinal environment “cleanliness”

A harmonized intestinal environment encourages the production of favorable metabolites, such as short-chain fatty acids (SCFAs), which nourish colonocytes. When the ecosystem is disturbed, unfriendly byproducts can accumulate. S. boulardii:
✅ supports a friendlier microbial metabolic profile;
✅ favors the neutralization of certain irritating factors;
✅ contributes to a “cleaner” intestinal atmosphere.

• Compatibility with the modern lifestyle

A busy schedule, rushed meals, and periods of stress can reduce attention to dietary details. As a transient supplement, S. boulardii:
✅ offers practical support for daily comfort;
✅ integrates easily alongside a balanced diet;
✅ facilitates continuity of activities without digestive discomfort.

• Stability and activity in the gastrointestinal environment

A useful probiotic must withstand gastric pH, reach the intestine alive, and exert its effects at the right site. The S. boulardii I-3799 strain is recognized for:
✅ resilience to acidic conditions and the presence of bile salts;
✅ transient activity, without permanent colonization;
✅ a predictable profile in use, suitable for daily routines.

• Complementarity with prebiotic fibers and a balanced diet

Probiotics work in synergy with prebiotics (fibers that feed beneficial bacteria) and with a good intake of fluids. In an appropriate nutritional framework:
✅ S. boulardii supports the harmonization of the intestinal ecosystem;
✅ regularity of transit is improved;
✅ digestive resilience is strengthened long-term.

• Why this formula

Now Foods offers a probiotic yeast with a specified strain and high dose, designed to work where it matters: in the intestine. The stability of S. boulardii, its independence from antibiotics, and its transient action make it suitable for periods when digestive comfort is a priority – from routine changes and travel to intervals that challenge the microbiota. By supporting the mucosal barrier, microbial balance, and gut-associated immune resilience, Saccharomyces Boulardii (Probiotic Yeast) Now Foods provides coherent support for smooth digestion, a stable general state, and a daily rhythm without unpleasant interruptions.




 

Directions

Take 1–2 capsules 2 to 3 times daily between meals, as needed.




 

Other ingredients

Hypromellose (cellulose capsule), organic inulin (FOS) (fructooligosaccharides), and guar gum.
Not manufactured with wheat, gluten, soy, corn, milk, egg, fish, shellfish, or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Warnings

Consult your physician if you are pregnant/nursing, taking medications (especially immunosuppressive drugs), or have a medical condition (especially if the immune system is compromised). Keep out of reach of children.
Natural color variation may occur in this product.
Store in a cool, dry place after opening.