Jarrow Formulas Saccharomyces boulardii and MOS is a gut wellbeing aid that pairs probiotic yeast with a MOS prebiotic to support balanced intestinal flora and immune function. This includes Saccharomyces boulardii, a probiotic yeast, and MOS, a prebiotic that feeds friendly bacteria. This brand, Jarrow Formulas, is based in Los Angeles and follows current good manufacturing practices to keep quality high.

Benefits & Features:

• Designed for daily use.
• This includes Saccharomyces boulardii, a probiotic yeast, and MOS, a prebiotic that helps feed friendly bacteria.
• MOS acts as a prebiotic, feeding friendly bacteria.
• Blending Saccharomyces boulardii and MOS helps protect against disruptive microbes by promoting a stable gut ecosystem, which may support digestive comfort and immune function for daily wellbeing.
• Manufactured to high quality standards in cGMP facilities, ensuring purity and potency for daily gut health support.

From its Los Angeles base, Jarrow Formulas manufactures this blend in cGMP facilities, upholding strict quality standards. The product uses tapioca starch and Vegacap capsules for clean, easy swallowing, with Saccharomyces boulardii as the star probiotic yeast and MOS as the prebiotic that feeds beneficial bacteria. This thoughtful pairing supports gut health supplements by promoting balance in the intestinal environment and helping immune function, making it a trusted choice among everyday wellness routines.

Saccharomyces boulardii (an S. cerevisiae strain) (5 Billion CFU), MOS Yeast Fraction (min. 35% Manno-oligosaccharides MOS)(S. cerevisiae)

• GTIN: 790011030041
• Manufacturer: Jarrow Formulas
• Size: 90 Capsules
• Categories: Best SellersJarrow FormulasSaccharomyces Boulardii Supplements
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take 1 capsule per day on an empty stomach with plenty of water. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Do not exceed the recommended daily intake. If you have a bad reaction to the product, stop taking it immediately. Please consult your doctor if you wish to use dietary supplements and are being treated for a medical condition or if you are pregnant or breastfeeding.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Saccharomyces boulardii (Probiotic Yeast)

Saccharomyces boulardii is a probiotic yeast that supports the balance of gut flora and immune health.

This formula also includes MOS as a prebiotic to feed friendly bacteria and support gut health.

What Does Saccharomyces boulardii Do?

Saccharomyces boulardii helps maintain normal gut function by supporting beneficial bacteria in the gut and taking part in immune system activity.

It acts within a gut-friendly blend that promotes microbial balance and supports overall gut wellbeing.

This product isn't intended to diagnose, treat, cure, or prevent any disease.

Jarrow Formulas was Welzo chosen for Saccharomyces boulardii + MOS because of the brand's proven track record in strong gut health formulations and its Los Angeles roots, which anchors its footprint in a strict manufacturing culture. This brand is recognised for following current Good Manufacturing Practices (cGMP), with a clear commitment to purity and potency across its range, and its collaboration with suppliers who share these standards. For our quality led approach, this aligns with our emphasis on consistent, tightly controlled production processes that we can stand behind to our customers. To learn more about how we assess supplier quality, our medical team reviews are documented at our medical team and our quality criteria are outlined at our quality assurance criteria.

In the UK market, Jarrow Formulas’ focus on established manufacturing practices and its proven formulation expertise make it a solid fit for this probiotic‑prebiotic mix. This brand’s reputation for reliability backs a product that aims to support intestinal health as outlined in our brief, while our partnership ensures ongoing alignment with our vetting standards and product integrity. The result is a reliable pairing of brand strength with product suitability.