What are live cultures?

Live, or active cultures, refer to the microorganisms found in foods such as yoghurt, which may be beneficial for human health. The term 'live cultures' is increasingly used instead of the term 'probiotics' and a common example is the species acidophilus.

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We’re experts in live cultures, and the OptiBac Probiotics range offers you some of the most researched strains in the world.

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A natural option

All the OptiBac Probiotics supplements are free from added flavourings, unlike many sources of live cultures.

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From our family to yours

We're a family run business, which means we understand the importance of looking after your whole family.

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Customer Reviews

Below you'll see a selection of reviews recently collected on the independent external review website TrustPilot.
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Average TrustPilot Rating

From 864 reviews


the extra strength probiotics have been invaluable in relieving severe stomach pains and IBS symptoms which I was finding ha ... Read More

Good service and very good product!

Good service and very good product!

Helpful and efficient.

I rang the people at OptiBac to ask for their advice and found them helpful and efficient. My order was sent promptly and ar ... Read More


Staff have dealt with my orders and queries helpfully, reliably and efficiently.

Great service

I got the items on time as it said. Thank you.

Prompt service

Great products, great price and prompt delivery.

My kids don't even know I add this to their drink daily. So far, I love them. Will order more to contune use through winter and see if the normal winter colds are lessened by the probiotics.

Kids don't mind and half the time, don't even know I add this to their drink. Flavorless which is awesome.

Very satisfied with this product

I bought "For those on antibiotics" because I had to take antibiotics for lot of days. I had no side effect and these probio ... Read More

Good Products

Prompt delivery of a good range of probiotics, have used them for several years now and always been satisfied.