Quick Guide To Subscriptions

Research shows that it's best to take your friendly bacteria supplements every day and on an ongoing basis. Our subscription service makes this simple! Choose your favourite Optibac supplements and tell us how often you want them. We'll take care of the rest.

optibac range

Save 10% and never run out

We'll make sure a new delivery is sent to you just before you run out. Plus, you'll save 10% on your order.

Free standard delivery applies for subscriptions over $100.

The subscription service is free, secure and you can cancel at any time.

Choose your supplement >

Subscribe & Save benefits

Save 15% on your order

Great choices deserve great rewards. We'll automatically apply your discount on all subscriptions.

Never run out

We'll make sure a new delivery is sent out to you just in time, so you never run out of your favourite supplements.

Free delivery over $100

Increase your delivery frequency and subscribe to one of our larger pack sizes to benefit from free standard delivery when you spend $100 on your subscription.

Skip or cancel anytime

Want to skip a month or stop your subscription? No problem - you can skip or cancel at any time via your online account. 

Easily update order size & frequency

You can also add products and change your scheduled delivery dates whenever, by logging in to your account.


We'll email you before each shipment. If you're not ready, you can delay your delivery. Don't worry, we'll only bill you when your order ships. 

How do I set up my subscription?

    • Add the Probiotics(s) you'd like to be included in your subscription to your basket.
    • Go to your basket.
    • Select your preferred order frequency from the drop down navigation in the blue Subscribe & Save box.
    • Already got an account with Optibac? Click 'Sign in & subscribe'.
    • New to Optibac? Click 'Register & subscribe' to set up your account.
    • Enter your contact details and preferred delivery service - standard, first class or express.
    • Pay for your order - you will only be charged for the first delivery; subsequent orders will be charged at time of dispatch.
    • Your order number will start with ‘SUB’.
    • Standard terms of sale apply to all subscriptions.
  • Ready to subscribe & save? Get started by selecting the probiotics you'd like to subscribe to.