The UK's No. 1 bestselling brand of friendly bacteria supplements^

Loading...

Getting started

More and more people are getting why the gut microbiome is important and why friendly bacteria matters so much. The hard part? Getting started.

With so many supplements to choose from, it can feel overwhelming trying to find the right one. The good news is we’re here to take that stress away with the UK's most recommended range.

Find your perfect Optibac

How to choose

There's an Optibac for everyone

Watch our resident Nutritional Therapist, Camilla explain how to find the best friendly bacteria for you and your family in less than 2 minutes.

Most popular for new customers

These are the supplements which are most popular with our new customers.

Optibac Every Day box with a person in a yoga pose, highlighting gut health benefits. Contains 5 billion live cultures.

Every Day – our No.1 way to start your day

New to friendly bacteria? This is a great choice to get you going. A complete multi-strain formula with live cultures and FOS fibres – great value backed by 20 years of research.

Shop Every Day
Optibac Kids Gummies box featuring a parent and child silhouette, strawberry flavor, with Vitamin D and Calcium for gut and immune health.

Kids Gummies - the only children's gummies with...

…friendly bacteria extensively researched in kids, PLUS no hidden nasties, PLUS plastic-free packaging. The easiest, tastiest way to supplement your children for gut and immune health, every day◆.

Shop Kids Gummies
Packaging of Optibac Intimate Flora for Women, featuring a stylized yellow figure on a purple and white background, highlighting probiotic benefits.

For Women – the world’s most researched live cultures for the vagina

Specialist formula with strains trialled for 40 years in thousands of women worldwide and shown to reach the vaginal tract within days. Loved by women at every life stage.

Shop For Women
Three women smiling at the camera with text: "Not sure? Ask the experts." Green leafy background, names, and qualifications listed.

Every Day

Not sure which one? We'll help you choose

Get your friendly bacteria right, first time with free expert guidance from our experienced Nutritional Therapists. Personalised advice that's quick and clear.

Got a quick question?

Get answers fast from a real, qualified expert on live chat. Simply click the orange button to start a conversation.

Want to dive deeper?

Book a free 15-minute phone consultation with one of our Nutritional Therapists to find the right supplement for you.

What one customer said about their free 15 minute consultation with a qualified Nutritional Therapist and gut health expert:

'Incredible customer service and advice ⭐⭐⭐⭐⭐ - I expected a one line answer to my question and was astonished by the extremely detailed response from a company who clearly care about their customers' - Ann

A person selects one of five Optibac probiotic product boxes on a table, featuring varieties for babies, kids, daily use, gut health, and women.

There's an Optibac for everyone.

There's an Optibac for everyone.

From digestive supplements to daily immunity, there's something for everyone. Explore our wide range of friendly bacteria, expertly formulated for individual needs at every age and life stage.

Loading...
Loading...
Loading...
Loading...
Loading...
Loading...
Solid blue background with a large translucent question mark on the right side.

Not sure which supplement is best for you?

Our team of friendly experts are here to support you with free, personalised advice - whether you have a question about our supplements, need help choosing the right product, or just want to learn more about live cultures. Get in touch today.

Contact our Nutrition Team

Join the Optibac family

Sign up to receive special offers, wellbeing tips, gut health insights and personalised updates.

Getting started with friendly bacteria couldn't be easier. - Optibac