Try 'For every day EXTRA Strength'

A 20 billion live cultures supplement, with Lactobacillus acidophilus NCFM®, one of the most researched acidophilus strains in the world.

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We're here to help, naturally

  • Benefits probiotics

    How we are different

    There are many reasons for taking OptiBac, and we'd like to think our supplements are a little bit different. So why choose OptiBac? See for yourself.

    About our live cultures
  • OptiBac Probiotics research

    Research

    We place great emphasis on the scientific research behind all of the strains we use. Find out more about this here.

    More about research
  • OptiBac Probiotics founders

    About us

    We are a UK family business founded by siblings Farah, Jalal and Soraya, specialising in live cultures. Read more about our story.

    More about us
  • Womankind

    Womankind

    Through the sales of our 'For women' supplement, we have raised over £290,000 for Womankind Worldwide so far. Find out about our unique partnership.

    Be Womankind

Top products

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OptiBac Blog

All blog posts
Health News
How to take care of your immune system
Kerry Beeson BSc (Nut. Med.) Nutritional Therapist
Press & Awards
‘For women’ Receives Your Healthy Living Award
Leona Beeson Lifestyle Writer
Lifestyle
A Gut Microbiologist's 8 Easy Tips To Stay Well In Winter
Dr Kate Stephens PhD Food and Microbial Sciences; Gut Microbiology (University of Reading), BSc Medical Microbiology
Press & Awards
Best Kids' Supplement 2019? Our 'For babies & children'!
Leona Beeson Lifestyle Writer
Lifestyle
How to Stay Healthy While Travelling Abroad
Leona Beeson Lifestyle Writer

* Based on all UK probiotics supplements rated on Trustpilot as of January 2020.