Saccharomyces Boulardii is a scientifically researched friendly yeast supplement from Optibac Probiotics, formulated to support digestive and gut health with 5 billion live cultures in every capsule. This extensively studied strain is proven to survive stomach acidity and reach the gut alive.
Designed for adults and children aged 1 year and over, the capsules can be taken daily or more intensively when desired, as professionally directed. The convenient capsule format does not require refrigeration, making it easy to use at home or while travelling.
Each capsule contains 275mg of the live yeast strain and is free from gluten, dairy, soy, GMOs, artificial flavourings, colourings, preservatives, and added sugars. The formula is suitable for vegans and vegetarians and is designed to complement the body’s natural gut bacteria while supporting intestinal flora balance.
Key features:
- 5 billion live cultures per capsule
- Proven to reach the gut alive
- Extensively researched friendly yeast supplement
- No refrigeration required
- Vegan, vegetarian, gluten-free and dairy-free
- Suitable for adults and children aged 1+
This advanced live cultures supplement is ideal for those looking to support digestive balance with a high-quality, research-backed formula from a trusted UK probiotics brand.




Hopsack Team Review –
Someone on shift mentioned the benefits of probiotics, and since I’d been dealing with bad evening bloating, I decided to give them a try. I started with two capsules each morning for the first week, then increased to three a day. As a first-time probiotic user, I stayed at the lower end of the recommended dosage. Within a few days, I noticed a big improvement – my bloating and stomach cramps reduced significantly. I was sleeping better and generally felt more like myself. I’ll definitely turn to probiotics again if any gut issues pop up in the future. Highly recommend!