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Choose your favourite friendly bacteria supplement(s) and tell us how often you want us to deliver. We'll take care of the rest.
£7.99
(inc. VAT)FREE UK delivery on orders over £40.
Vegetarian
Vegan
Gluten free
No dairy
With 5 billion live cultures per capsule, this is for anyone looking to purchase a pure Saccharomyces boulardii supplement —an extensively researched, unique friendly yeast proven to reach the gut alive.
Customer feedback collected via independent review platform Trustpilot. See more Saccharomyces Boulardii reviews for more customer opinions collected via our own website.
Natural food supplement suitable for adults and children (from 1 year onwards) with the following recommendations:
All questions answered by probiotic experts Dr Kate Stephens PhD (Food and Microbial Sciences) BSc(Hons) Medical Microbiology and Kerry Beeson BSc (Nut. Med.) Nutritional Therapist.
Saccharomyces boulardii is an internationally acclaimed strain; in fact, it is one of the most highly researched strains in the world! The unusual thing about it, however, is that it is actually a yeast, rather than a type of bacteria. Optibac first introduced Saccharomyces boulardii to the UK, but it has been used safely1,2 for over 50 years in countries around the world and has been used in numerous clinical trials.
As we all have a unique gut microbiome, the response to Saccharomyces boulardii is different for each individual. You can take up to a maximum of 6 capsules per day, but it is recommended to start with 1-2 capsules per day and build up from there as required. When taking a higher number of capsules (3-6 capsules) it is advised to spread these across the course of the day, though if desired you can take 3-4 capsules together initially.
There is no right or wrong time of the day to take Saccharomyces Boulardii, so whenever fits in with your schedule is fine. This strain of yeast is more robust to environmental stressors than more common bacterial live cultures, and shows strong resistance to heat, humidity, and stomach acidity levels. It doesn’t need to be refrigerated and can be taken with or without food.
Yes, it is fine to take Saccharomyces Boulardii alongside your other live cultures supplements, in fact it is recommended to do so. Saccharomyces Boulardii works differently to other friendly bacteria supplements because it is a ‘friendly yeast’3 and does not colonise for long in the gut, but it works well with other live cultures supplements, so most people take it alongside.
Live cultures are not recommended for those with serious medical conditions e.g. those who are severely immunosuppressed, have pancreatitis, are in the ICU, have melaena, have a central venous catheter, short bowel syndrome, or patients with open wounds following major surgery; unless under a doctor's care. Keep out of reach of children.
This is a food supplement and is not intended to prevent, treat or diagnose any medical conditions. Probiotic supplements should not be used as a substitute for a healthy diet and lifestyle. If you are taking any medications or have a serious medical condition, consult a doctor before use. Optibac supplements will not cause dependency and may be used on an ongoing basis.
Pregnant or breastfeeding women should consult their doctor before taking Saccharomyces boulardii.
1. McFarland L.V., (2010), ‘Systematic review and meta-analysis of Saccharomyces boulardii in adult patients’. World Journal of Gastroenterology, 16(18):2202–2222.
2. Kelesidis T, Pothoulakis C.(2012) ‘Efficacy and safety of the probiotic Saccharomyces boulardii for the prevention and therapy of gastrointestinal disorders’ Therapeutic Advances in Gastroenterology. 2012;5(2):111-125.
3. Czerucka D, Piche T, Rampal P. Review article: yeast as probiotics -- Saccharomyces boulardii. Alimentary Pharmacology & Therapeutics. 2007 Sep;26(6):767-778. DOI: 10.1111/j.1365-2036.2007.03442.x.
Live cultures: Saccharomyces boulardii (275mg); vegetarian capsule: hydroxypropyl methylcellulose
Each capsule guarantees 5 billion live cultures.
If you have a specific question or need some advice on which product to choose please contact our Nutrition Team on +44 (0) 1264 318 881 or click on the link below for our contact form.
Need help choosing a product?I have tried other probiotics but I have found Optibac S. Boulardii suits me very well and I can tell the effect even on the improvement in my skin. Customer service couldn’t have been more courteous and helpful when I emailed about a question I had.
I am a big fan of Optibac probiotics. They are consistently great quality & are always delivered well packaged & quickly. Highly recommended
I had left a review earlier stating that this S. Boulardii product caused some uncomfortable side effects, and customer service responded very quickly. They have been very friendly and attentive to me, and I really appreciate it.
Free standard UK delivery is automatically applied at the checkout when you spend £40.
Allow 4-10 working days (Monday - Friday) for delivery; no deliveries on Saturdays
Allow 1-3 working days (Monday - Friday) for delivery; no deliveries on Saturdays
Order before 2pm for guaranteed next working day delivery to most of the UK*. Orders placed on Friday will be delivered on Monday (next working day). Requires signature.
*Express delivery may exclude the Channel Islands, Herm Island, Isle of Man, Isle of Wight, Northern Irish postcodes BT18 & upwards, Sark, Scottish borders and offshore and a small number of remote mainland destinations as determined by our delivery courier.
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