Pharmacist-Led
Trusted Brands
Global Delivery
Couldn't load pickup availability
Ask Our Pharmacist
With 5 billion live cultures per capsule, this is for anyone looking to purchase a pure Saccharomyces boulardii supplement. An extensively researched, unique friendly yeast proven to reach the gut alive.
Over 50 years of research in thousands of adults and children, Saccharomyces boulardii live cultures are extremely well-researched
Shown to reach the gut alive and complement the body's natural gut bacteria
Can be taken intensively or ongoing, safe for long-term use
No need for refrigeration, making this supplement suitable to take with you wherever you go
Optibac was the first brand to introduce S. boulardii to the UK, we've been selling it for more than 16 years
The 2023 World Gastroenterology Organisation report backs the use of Saccharomyces boulardii
Saccharomyces boulardii
Live cultures: Saccharomyces boulardii (275mg); vegetarian capsule: hydroxypropyl methylcellulose. Each capsule guarantees 5 billion live cultures.
Suitability: Vegan | Vegetarian | Suitable in menopause | Gluten and GMO free | No added sugars | Free from artificial flavourings, colourings and preservatives | No chemicals or parabens
OptiBac
If you are pregnant, breastfeeding, taking medication, under medical supervision, or unsure whether this product is suitable, please speak to a healthcare professional before use.
Pharmacist-Led Product Selection
Every product and test kit in our shop is carefully reviewed by Aislinn Hughes, MPharm, before being added to the MicroBio Health range. We prioritise trusted practitioner brands, high-quality ingredients, bioavailable formulations and products selected for real-world health support.
✔ Pharmacist-led selection
✔ Professional-grade brands
✔ Ingredient quality considered
✔ Personal guidance available