"Try friendly bacteria, you won't look back"
"Try friendly bacteria, you won't look back"

"Try friendly bacteria, you won't look back"

  • Choose the UK's friendly bacteria specialists
  • Wide range - there's an Optibac for everyone
  • All proven to complement the natural gut bacteria
View range
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Best selling friendly bacteria supplements

All products
  • Optibac Probiotics For Women - award
    Bestseller

    For Women

    90 capsules
    4.7/5 (159 reviews)

    £52.99 (inc. VAT)

  • Optibac Probiotics Every Day EXTRA | high strength probiotic | 90 capsules
    Bestseller

    Every Day EXTRA

    90 capsules
    4.8/5 (96 reviews)

    £64.99 (inc. VAT)

  • Optibac Probiotics Baby Drops | infant probiotics for babies and newborns
    Bestseller

    Baby Drops

    30 Servings
    4.8/5 (31 reviews)

    £14.99 (inc. VAT)

  • Optibac Probiotics Every Day | gut health supplement | high-quality daily probiotic supplement
    Bestseller

    Every Day

    90 capsules
    4.8/5 (68 reviews)

    £36.99 (inc. VAT)

The UK's most trusted & recommended friendly bacteria supplements+

  • OptiBac Probiotics research

    Backed by Credible Science

    We've always worked with the world’s most researched live cultures to formulate our wide range of friendly bacteria supplements. Our strains are proven to reach the gut alive.

    Find out more about our research
  • OptiBac Probiotics Awards

    Award-winning

    Optibac are proud winners of the prestigious Queen’s Award for Enterprise, and our industry-acclaimed range of friendly bacteria supplements has won numerous awards.

    See all awards
  • OptiBac Probiotics founders

    Caring & Committed

    We are a UK family business founded by siblings Farah, Jalal and Soraya. We specialise in live cultures and are passionate about the microbiome. Find our more about our story.

    More about us
  • Optibac starter probiotic

    Not sure where to start?

    We offer the widest range of friendly bacteria supplements in the UK, designed for individual needs. If you don’t know which live cultures are right for you, we can help you choose.

    Learn more

Welcome to Optibac

At Optibac we specialise in friendly bacteria and have a wide range 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 Queen’s Award for Enterprise 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.

Optibac Blog

All blog posts
Press & Awards
24 Nov 2022
BBC Good Food recommends Optibac
Camilla Gray Nutritional Therapist Dip CNM - Diploma in Nutritional Therapy from the College of Naturopathic Medicine
Press & Awards
16 Sep 2022
Babies & Children wins gold award at NPPA
Camilla Gray Nutritional Therapist Dip CNM - Diploma in Nutritional Therapy from the College of Naturopathic Medicine
Press & Awards
12 Oct 2022
Adult Gummies wins Janey Loves Platinum Award
Camilla Gray Nutritional Therapist Dip CNM - Diploma in Nutritional Therapy from the College of Naturopathic Medicine
Press & Awards
29 Nov 2022
Optibac's Dr. Kate is in Stylist
Leona Beeson BSc (Hons) Psychology
Press & Awards
13 Oct 2022
Kids Gummies wins Mums & Tots Award
Camilla Gray Nutritional Therapist Dip CNM - Diploma in Nutritional Therapy from the College of Naturopathic Medicine