If you use any voucher not advertised on Quidco, your purchase will not be eligible for cashback
20% extra free when you buy any pack of ‘For babies & children’ plus free standard delivery
+ 10% Cashback
for all purchases
OptiBac Probiotics are the UK & Ireland’s most popular probiotics brand. We specialise entirely in live cultures and use some of the most researched strains in the world, developed in the world’s leading laboratories. Shop our award-winning range of daily good bacteria supplements for all ages and life stages.