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The UK's No. 1 bestselling brand
of friendly bacteria supplements^
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Rated 'Excellent' on Trustpilot
4.8 stars (based on 6,671 reviews)
Scientifically proven to reach the gut
& complement the natural microbiome
FREE UK DELIVERY on orders over £10
and 14-day hassle-free returns
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Getting started
If you are one of the 92% of people who think that supplementing your gut is important and are looking for advice on what to take, here you’ll find all you need to get started.
Finding the right supplement can feel a bit overwhelming. Our resident team of Nutritional Therapists and Microbiologists have tried to make things as easy as possible. If you are still not sure where to start, you can always talk to one of our friendly experts directly on live chat or book a free telephone consultation for personalised advice.
Optibac is home to the UK’s most recommended brand of friendly bacteria supplements†, all backed by years of credible scientific research, so whichever supplement you choose you’ll be making a good choice.
Best all-rounder
If you want a high-quality daily supplement that offers great value for money our Nutritional Therapist, Louise Mason, recommends Every Day.
“Every Day is a great all-round supplement, scientifically proven to reach the gut alive, including strains that have been extensively researched for over 20 years and target different areas of the gut. It also contains FOS Fibres that encourage the growth of the natural gut bacteria”.
Learn more about Every DayDid you know the vagina has a microbiome too?
For a supplement specifically designed to complement the vaginal microbiome, Louise recommends For Women.
"I like recommending For Women, our easy to take oral capsule that is scientifically proven to reach the intimate area. It contains a renowned combination of strains that have been clinically trialled in thousands of women worldwide over the last 30 years. For Women is also our best reviewed product and rated "Excellent" on Trustpilot."
Learn more about For Women
A tasty alternative
If you would prefer an all-in-one supplement, Dr Kate, our resident Microbiologist, recommends Gut Health Gummies.
“These tasty mixed berry gummies contain the highly researched friendly bacteria, Bacillus coagulans Unique IS-2, plus Vitamin D, Zinc, Calcium and FOS Fibres offering good all-round gut and immune support. Plus they are made with no added sugar or sweeteners and come in 100% plastic free packaging”.
Learn more about Gut Health GummiesThere's an Optibac for everyone
Our wide range of highly researched live cultures means there really is an Optibac for everyone.
To help you choose the right one, watch a short video with Camilla Gray, one of our many experienced Nutritional Therapists, who introduces the range for those wanting to try friendly bacteria supplements for the first time.
Talk to a qualified expert
Sometimes it’s good to talk, so if you’d prefer to chat to someone in person, you can book a 1:1 15 minute consultation with one of our Nutritional Therapists or use our chat service by clicking on the orange button in the bottom right of your screen.
You can also reach us on social media or you can send us an email, we would love to hear from you.
Contact a Nutritional Therapist