Saccharomyces Cerevisiae Boulardii is a strong probiotic yeast supplement that helps restore a healthy balance of intestinal flora for better gut health. The star ingredient, Saccharomyces boulardii, delivers around 6 billion live organisms per capsule, a level linked with supporting gut flora during antibiotic courses. Lamberts is a UK brand with a long standing reputation for quality, offering pharmaceutical grade supplements you can rely on.

Available Sizes & Variants:

30 capsules - A convenient monthly supply.

Benefits & Features:

• Supports gut health.
• Helps maintain and restore the healthy balance of gut flora during antibiotic use, supporting digestion and reducing the risk of antibiotic associated diarrhea.
• High strength 6 billion organisms per capsule provides protection.
• Suitable for vegetarians and free from common allergens, making it versatile for sensitive diets.
• Manufactured in the UK to pharmaceutical grade standards with strict quality checks.

Brand heritage and manufacturing excellence set Lamberts apart. The product is made in the UK to pharmaceutical grade Good Manufacturing Practice standards, ensuring purity and potency. Saccharomyces boulardii is one of the most documented probiotic yeasts, with hundreds of publications detailing its role in maintaining gut flora and reducing antibiotic-associated diarrhea. The 300mg per capsule delivers around 6 billion organisms per dose, giving you a reliable daily option. For gut health supplements, this brand consistently delivers transparency and quality you can trust.

Saccharomyces Boulardii (a S.Cerevisiae strain). Encapsulated With; Capsule Shell (Hydroxypropyl Methylcellulose).

• GTIN: 5055148410834
• Manufacturer: Lamberts
• Categories: CHECKOUT UPSELLLambertsNew Arrivals
• 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 one capsule daily with a meal.

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

1. Supports Digestive Health - Saccharomyces Cerevisiae Boulardii is a probiotic yeast that helps maintain a healthy balance of good bacteria in the digestive tract. This can improve digestion and alleviate symptoms of digestive issues such as bloating, gas, and diarrhea.
2. Boosts Immune System - This strain of probiotic has been shown to enhance the body's immune response by stimulating the production of antibodies and white blood cells. This can help protect against infections and illnesses, keeping you healthy and strong.

The Active Ingredient Is: Saccharomyces cerevisiae boulardii (Active dried yeast)

Saccharomyces cerevisiae boulardii is a probiotic yeast that helps support your gut microbial balance. This form is active dried yeast, great for use as a supplement ingredient.

This ingredient is sourced as a high-strength probiotic organism, and it’s included to help maintain your intestinal flora during challenging digestive periods.

What Does Saccharomyces cerevisiae boulardii Do?

Saccharomyces boulardii helps maintain and restore gut flora and supports digestive function. It is also said to inhibit the growth of harmful bacteria and to possess immune-modulatory properties, contributing to normal gut defence, as described in product research context.

The focus stays on normal physiological processes, with the probiotic described as a part that fits general wellness and gut health maintenance.

This product is not intended to diagnose, treat, cure, or prevent any disease.

We picked Lamberts Saccharomyces Cerevisiae Boulardii as a Welzo partner because this brand is well regarded by health professionals for its high‑quality and transparent approach to supplements and its long-standing presence in the UK market. The producer is known for manufacturing in the UK to pharmaceutical GMP standards, supporting strict quality control and product consistency. This focus on thorough production aligns with our expectations for reliability and safety from a trusted supplier and is reinforced by Lamberts' reputation for pharmaceutical‑grade facilities and meticulous ingredient sourcing.

In our brand assessment, Lamberts stands out for its solid heritage and commitment to purity, with probiotic products that are highly recommended by pros for gut health management. This lines up with our own standards for traceability and quality, which you can check out via our ingredient quality and purity standards. Our medical team reviewed the brand as part of our vetting process, ensuring alignment with our team of medical experts and Welzo’s safety criteria.

Product-specific, Lamberts Saccharomyces Cerevisiae Boulardii is well suited for this probiotic category because of its high-strength formulation, availability in the UK market, and the brand’s proven track record for quality and reliability, which underpins our choice to stock this product with confidence.