Try 'For daily immunity'

Get your daily vitamin C + 5 billion well-researched friendly bacteria, from the UK’s most-loved* brand.

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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 £250,000 for Womankind Worldwide so far. Find out about our unique partnership.

    Be Womankind
TrustPilot

Top products

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OptiBac Blog

All blog posts
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
‘For women’ Receives Your Healthy Living Award
Leona Beeson Lifestyle Writer
Health News
Your Immune System: what might you be doing wrong?
Kerry Beeson BSc (Nut. Med.) Nutritional Therapist
OptiBac HQ
We're Honoured to Win Prestigious Queen’s Award for Enterprise
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.