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

Optibac logo
Person mixing Optibac probiotic sachet into a jar of milk on a kitchen counter, with a box labeled "Babies & Children" in the foreground.
A hand holds a box of Optibac probiotics for babies and children against a blurred outdoor background of greenery.
"It’s a really good product, I can see the difference."
Kirandeep Kaur
" Hands down the best product, thank you for helping mummy's like myself."
Omerah Rehmat
"Really easy to add to anything really! So great to know they are getting loads of the good stuff."
Sophie Southerden
"This product is really easy to use. Very impressed."
Marianne Borzoni
Person sprinkling Optibac powder over a bowl of oatmeal topped with raspberries, blueberries, and nuts on a marble countertop.

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.