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

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Save up to 25% when you subscribe

Research shows that it's best to take your friendly bacteria every day. Our subscription service makes this simple! Just choose your favourite Optibac supplements and we'll take care of the rest.

Optibac subscription savings offer with 15% off first and second orders, 25% off every order after. Products displayed on a kitchen counter.

Why choose to subscribe?

Why subscribe to your favourite friendly bacteria supplements

When you subscribe to your favourite friendly bacteria supplements, you'll save 15% on your first 2 orders, and 25% on your 3rd order onwards as well as receive FREE UK delivery. 

Simply choose your supplements, select your preferred frequency and we will make sure you don't run out.

Subscribing is free, secure and you can cancel at any time.

Subscribe today

Our most popular products on subscription

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A woman in a striped dress smiles while leaning on a table with a glass of water and a jar of Optibac supplements for women in the foreground.

Subscription benefits

The longer you stay, the more you save

15% off

Your first 2 orders

25% off

From your 3rd order onwards

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Free UK delivery every time

Consistency that really pays off

Consistent routine. Trusted science. Better value.

  • Never run out
    Pause or cancel

    Save time & effort

    Subscribers don't just save on price. Take the stress out of reordering and never run out of your favourite friendly bacteria. We'll also email when your next order is coming up so you're always on top of your orders.

  • Backed by experts
    Consultation

    Free expert advice

    Your microbiome is always changing. We're here to support you with personalised friendly bacteria advice from qualified Nutritional Experts, so your subscription evolves with your current needs.

    Get free expert advice
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Friendly bacteria works best as a daily habit. Subscribing makes that easy and gives you the best long-term value on your supplements, to reward you for staying consistent.

Louise Mason

BA Hons, Dip CNM Nutritional Therapist & Naturopath

Our customers love our subscription service

10% off when you join the Optibac family

Sign up and check your inbox for 10% off your first order, plus gut health insights and personalised offers.