
Hello US customer, you are currently shopping on the UK site. To ensure you are charged in the correct currency and receive accurate shipping costs, please switch to the US website and re-add your product to your basket.
At Optibac we specialise entirely in live cultures and have many different supplements for different life stages and individual needs.
So you can feel good about choosing Optibac.
We specialise in friendly bacteria and have a wide range to meet your individual needs. Our supplements are proven to not only reach the gut alive, but to complement the natural microbiome. What's more, we're committed to helping our planet and others, and have raised £1.5 million to date for charitable organisations such as Womankind Worldwide.
More about usWe are truly honoured to have been awarded the Queen's Award for Enterprise; the most prestigious awards for business in the UK. These awards celebrate the best of British business and recognise companies who are making an outstanding contribution to enterprise. In 2019 we won in the International Trade category.
Our beloved travel supplement returns just in time for all your adventures this year. We’d like to give a very warm welcome back to our customer favourite, Optibac Travel Abroad! We know lots of you have been waiting for this supplement to return, so we’re delighted to announce that it’s finally here.
Shop Travel AbroadAt Optibac we specialise entirely in live cultures and we understand the importance of using specific strains for your individual needs.
This is the most researched strain of acidophilus in the world and has undergone numerous large scale clinical trials. Find it in Every Day EXTRA and our most premium 'product' Every Day MAX.
This strain of friendly yeast has been used for 50 years all over the world. It’s very robust and shows strong resistance to heat, humidity and stomach acidity. Find it in our S Boulardii.
This is the most researched strain of friendly bacteria in the world. It has been scientifically studied across different global populations and demographics, and especially in Babies & Children.
Is thought to be the most researched strain of the entire family of Bifidobacteria! Extensively trialled in various life stages, including in infants, pregnant women and older people, it’s in Bifido & Fibre.
This high quality, incredibly well researched strain has been widely studied in thousands of people and can be found in our Immune Support.
Clinically trialled in over 4,000 infants and young children, including newborns. Find this strain in both our Baby Drops and Babies & Children.