Please see our FAQs before getting in touch. These feature 50+ frequently asked questions and answers, on topics such as shipping & delivery, how and when to take your supplement, allergies & intolerances, suitability for children and taking more than one supplement at the same time.

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Please Note

The OptiBac team are not all qualified health practitioners. Technical advisors available on the phone are fully trained in live cultures and able to advise on product information, but not specific illnesses or ailments. Always seek personalised health advice from a qualified healthcare practitioner.
We can only make product recommendations based on the information that customers provide. Those with serious health conditions should speak to their doctor before using supplements.