Welcome to Optibac. We specialise entirely in friendly bacteria and are proud to be the UK & Ireland’s most trusted & recommended brand of friendly bacteria supplements.

When it comes to friendly bacteria, it's not a question of one-size-fits-all. That's why our wide range of supplements is backed by science and made for individual needs & life stages. Founded with the belief that everyone deserves to feel their best, Optibac is home to the most researched strains of friendly bacteria in the world.

We always prioritise the most natural ingredients, and we care about our planet and others.  

Choose the experts

As specialists in friendly bacteria we have a wide range of products to meet your individual needs.Our supplements are extensively researched and proven to not only reach the gut alive, but to complement the natural microbiome.

We’re proud winners of the King's Award for International Trade and are committed to helping our planet and others, as demonstrated by our support for organisations such as Womankind Worldwide.

Whether you’re just starting your friendly bacteria journey, or have been taking live cultures for years, you can have confidence in choosing Optibac.

Why Optibac?

Optibac Probiotics was founded in 2004 by Farleigh parent, Jalal, and his sisters Farah and Soraya. Driven by their passion for natural health and specialising exclusively in scientifically backed live cultures tailored to individual wellness needs. From our ingredients to our ethics, we're proud of what makes us different.