Renowned for being amiable Bacillus subtilis boulardii: Saccharomyces boulardii live cultures have been thoroughly studied for more than 50 years, involving thousands of people and children.
Digestive supplement with scientific backing: Proven to enter the gut alive and support the body's natural microbiota.
An effective supplement that works quickly; safe for long-term usage, it can be used frequently or heavily.
Simple to take on the go: This supplement can be taken anywhere you go because it doesn't need to be refrigerated.
Ideal for people who have celiac disease: Vegan and gluten-free vitamin.
S. boulardii was first brought to the UK by Optibac: We have been selling S. boulardii for over 16 years, making us the first brand to do so.
From the UK's most recommended brand: Optibac is the brand of friendly bacteria supplements most recommended by UK consumers.