Bestseller
You are on the UK site
Hello US customer, you are currently shopping on the UK site. To ensure you are charged in the correct currency and receive accurate shipping costs, please switch to the US website and re-add your product to your basket.
One week flat
Try our easy, 7-day course of high quality friendly bacteria - gluten-free and suitable for those with bloating. We think it makes the perfect Christmas companion, and a great stocking filler, too!
Shop now
Delivery before Christmas - please see 'Delivery' link at the bottom of this page for last order dates on OptiBacProbiotics.com.
Choose the UK's most trusted friendly bacteria supplements**
-
Why Choose OptiBac?
When it comes to friendly bacteria, it's not a question of one-size-fits-all. We offer a whole range of supplements, especially for your individual needs.
-
Backed by Credible Science
We use the highest quality, most researched strains, which is why we’re the most trusted & recommended brand across the UK & Ireland.
-
About us
We are a UK family business founded by siblings Farah, Jalal and Soraya, specialising in live cultures. Read more about our story.
-
Womankind
Through the sales of our 'For women' supplement, we have raised over £330,000 for Womankind Worldwide so far. Find out about our unique partnership.
