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

Optibac logo
A woman smiling in a kitchen, holding a box of Optibac probiotics. In the background, a man and a child engage in activities at the table.
Person holding an Optibac Every Day EXTRA supplement jar, taking a capsule. Blurred green foliage in the background.
"I’ve taken these for years and wouldn’t change this daily habit."
Stuart McConnachie
"Great results. My whole family have found them amazing."
Gillian Stretch
"I can’t believe the difference that it’s making to me. Excellent product!"
Sabrina Jones
"Very pleased with this product."
Julie
Man in denim shirt holding a box of Optibac Every Day EXTRA probiotics towards the camera, smiling against a neutral background.

15% off when you join the Optibac family

Sign up and check your inbox for 15% off your first order, plus gut health insights and personalised offers.