Welcome to Optibac

92% of people think it’s important to take supplements to complement the gut microbiome. If you’re one of them, then you’re in the right place.


Optibac are live cultures specialists and the UK’s most recommended friendly bacteria brand. Our range contains some of the world’s most researched strains, supported by hundreds of clinical trials, and all of our friendly bacteria are proven to reach the gut alive.


So, whether you are just getting started, or have been using live cultures for years, choose Optibac with confidence.

Browse our range

There's an Optibac for everyone

With a range of 16 highly researched live cultures supplements, all designed to suit specific needs and life stages, there is an Optibac supplement for everyone! To help you choose the best one for you and your family, watch a short video from Camilla Gray, one of our many qualified Nutritional Therapists.


If you'd prefer to talk with a real person, use our live chat service by clicking on the orange button between 9am and 5pm UK time.

Try our delicious gummies

If you struggle with capsules, try our tasty mixed berry Gut Health Gummies. They are naturally delicious, with no added sugar or sweeteners, and are as highly researched as our other supplements.


Gut Health Gummies contain the premium strain, Bacillus coagulans Unique IS-2, plus Vitamin D, Zinc, Calcium and FOS fibres, for all-round gut and immune support. Oh, and they come in 100% plastic free packaging too!

Learn more about Gut Health Gummies