Shop Friendly Bacteria

Browse the full range of Optibac supplements.

We are the UK & Ireland’s most recommended brand of friendly bacteria supplements*, with options to suit everyone.

Specialists in live cultures for over 20 years, our range contains the world’s most researched strains of friendly bacteria1, shown in gold standard clinical trials to reach the gut and vagina alive. We offer live cultures for the whole family, tailored for every life stage and different health needs.

Whether you wish to buy friendly bacteria in liquid drops, powder sachets, gummies, or capsules, you will find a suitable supplement in the Optibac shop.

Those who like to shop sustainably will be pleased to note that we have reduced plastic in our packaging by 96% and use recyclable cartons. If you need further convincing to shop at Optibac, check out the excellent Reviews from our happy customers on each product page.

To find out where else you can buy the Optibac Probiotics award-winning range of live cultures**, visit our FAQ.


Showing 12 results

  • Adult Gummies

    Adult Gummies

    4.9/5 (18 reviews)

    From £12.99 to £23.99

  • For Women

    For Women

    4.7/5 (151 reviews)

    From £9.99 to £49.99

  • Baby Drops

    Baby Drops

    4.8/5 (31 reviews)

    From £14.99 to £26.66

  • Immune Support

    Immune Support

    4.6/5 (25 reviews)

    From £12.99 to £23.99

  • Every Day EXTRA

    Every Day EXTRA

    4.8/5 (92 reviews)

    From £23.99 to £59.99

  • Kids Gummies

    Kids Gummies

    5/5 (45 reviews)

    From £12.99 to £34.99

  • One Week Flat

    One Week Flat

    4.2/5 (84 reviews)

    From £8.99 to £24.99

  • Bifido & Fibre

    Bifido & Fibre

    4.8/5 (37 reviews)

    From £7.99 to £19.99

  • Every Day MAX

    Every Day MAX

    4.9/5 (27 reviews)

    From £38.99 to £104.99

  • Pregnancy


    5/5 (22 reviews)


  • For Those On Antibiotics

    For Those On Antibiotics

    5/5 (20 reviews)

    From £6.99 to £18.99

  • Saccharomyces Boulardii

    Saccharomyces Boulardii

    4.6/5 (72 reviews)

    From £7.99 to £27.99


  1. Dronkers, T. M. G., Ouwehand, A. C. and Rijkers, G. T. (2020) ‘Global analysis of clinical trials with probiotics’, Heliyon, 6(7). doi: 10.1016/j.heliyon.2020.e04467.
  2. Probiotics. (2022). NHS Retrieved 31 March 2022, from
  3. Markowiak P and Śliżewska K (2017) Effects of Probiotics, Prebiotics, and Synbiotics on Human Health. Nutrients, 9(9): 1021

* + An independent survey on probiotics of 1,000 people across the UK, August 2020. See T&C's for more details.

**Friendly bacteria, also known as ‘live cultures’ or ‘probiotics’, are good bacteria which live in the gut and are considered to be vital for good digestive and overall health2,3