Specific digestive friendly bacteria
Whether you're heading abroad, taking a course of antibiotics or looking for a friendly bacteria supplement for your individual needs, our range has you covered.
Our digestive range
Try the Optibac digestive range for the most researched strains of friendly bacteria.
Our customers love our friendly bacteria
Sharing our favourite community reviews.
For occasional bloating
One Week Flat
One Week Flat is a vegan, gluten free friendly bacteria supplement with four proven strains and FOS fibres to complement the natural gut bacteria and is suitable for those with occasional bloating. In easy, flavourless sachets, it's perfect for a 7-day course or daily use.
A unique friendly yeast
A pure Saccharomyces boulardii supplement
Saccharomyces Boulardii is a renowned friendly yeast with over 50 years of research, proven to reach the gut alive and complement the natura gut bacteria. It's fast-acting and suitable for long-term use, it’s vegan, gluten free, and needs no refrigeration - perfect for at home or on the go. Optibac was the first to introduce S. boulardii to the UK, and it’s even recommended in the 2023 World Gastroenterology Organisation guidelines.
Scientifically proven formulation
Bifido & Fibre
This high-fibre supplement combines the renowned Bifidobacterium lactis BB-12® with 4g of natural FOS fibres to increase your natural gut bacteria. Proven to survive stomach acidity and reach the gut alive, it comes in easy, flavourless sachets that can be mixed into cool food or drink—no refrigeration required.
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