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.

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 probiotics? 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...

…probiotics 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 probiotics 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

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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.

'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.

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.

Discover the range

Exploring friendly bacteria for the first time?

You’re in the right place. Our expert-written articles are a great starting point to learn more about the benefits of friendly bacteria, how they work, and how to choose the right supplement for your needs.

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New to friendly bacteria?

Introducing friendly bacteria to your daily routine

Person holding a small jar of Optibac Every Day capsules, with a blurred green and white background.

Live cultures

What is friendly bacteria?

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Choosing supplements

Which is the best friendly bacteria supplement?

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Looking to learn about friendly bacteria supplements?

Start learning

Getting started

Find your perfect Optibac

There's an Optibac for everyone

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

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

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

For Women – the world’s most researched probiotics for the vagina

Not sure which one? We'll help you choose

There's an Optibac for everyone.

Exploring friendly bacteria for the first time?

Introducing friendly bacteria to your daily routine

What is friendly bacteria?

Which is the best friendly bacteria supplement?

Looking to learn about friendly bacteria supplements?

Legal information

Exploring friendly bacteria for the first time?

Introducing friendly bacteria to your daily routine

What is friendly bacteria?

Which is the best friendly bacteria supplement?