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Saccharomyces Boulardii
80 capsules |up to 80 days' supply
Bestseller
Dr Sasivimol Ahmed
PhD, PG Dip (Personalised Nutrition), BSc (Food Science)
Recommended often, Saccharomyces boulardii is a friendly yeast and has been used safely around the world for over 50 years.
Who is it for?
This highly researched supplement from Optibac Probiotics provides 5 billion CFU of pure Saccharomyces boulardii, clinically trialled and shown to support gut health especially in those with occasional diarrhea.
Pack size
Free standard shipping on orders over $60.
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Key benefits
A pure Saccharomyces boulardii supplement
For those with occasional diarrhea*.
- Renowned Saccharomyces boulardii probiotic Over 50 years of research in thousands of adults and children, Saccharomyces boulardii live cultures are extremely well-researched
- Suitable for occasional diarrhoea Saccharomyces boulardii has been clinically trialled and recommended for occasional diarrhea*
- Scientifically proven digestive supplement Shown in clinical trials to maintain a healthy balance of intestinal flora to support digestive & immune health*
- A fast-acting supplement Can be taken intensively or ongoing, safe for long-term use
- Easy to take on the go No need for refrigeration, making this supplement suitable to take with you wherever you go
- Optibac first introduced S.boulardii to the UK Optibac was the first brand to introduce S. boulardii to the UK, we've been selling it for more than 16 years
- The UK's most recommended brand Optibac is the brand of probiotic supplements most recommended by UK consumers^
General digestive
Complements gut bacteria
Customer Reviews
The following reviews have been collected on our website or independently where indicated. All reviews are hosted on Trustpilot and displayed on website.
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How to use
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Ingredients
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Delivery & returns
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How to use
Recommended use
Natural dietary supplement suitable for adults and children (from 1 year onwards) with the following recommendations:
- Take 1 capsule daily. May be increased up to 6 capsules daily as desired (depending on severity of symptoms), or as professionally directed.
- For young children the use should be lowered. 1 capsule daily, may be increased up to 3 capsules daily.
- If taking anti-fungals, take separately (at least 2 hours apart).
- For those unable to swallow capsules, open and mix contents with a cool drink/food.
Storage instructions
- For best results, do not remove desiccant sachet from the glass jar and close lid firmly after each use.
- Store in a cool, dry place below 25°C (77 °F) and out of direct sunlight.!
Safety
Probiotics 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.
Gut health supplements are not intended to prevent, treat or diagnose any medical conditions. If taking probiotic supplements for gut health, note that these should not be used as a substitute for a varied and balanced diet and a healthy 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
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Ingredients
Ingredients
Probiotic cultures: Saccharomyces boulardii (275mg); hydroxypropyl methylcellulose
Each capsule guarantees 5 billion CFU.
Suitability
- Vegan
- Vegetarian
- Dairy free
- Gluten free
- Soy free
- GMO free
- No added sugars
- Free from artificial flavorings, colorings and preservatives
- No chemicals or parabens
Format Capsule CFU 5 billion Recommended Use 1 capsule daily Age Range Adult -
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Delivery & returns
USA standard shipping: $4.99
International postal order - typically deatched and delivered within 5-10 working days.
Free standard shipping on orders over $60.USA express shipping: $6.99
We use DHL and orders are typically dispatched and delivered within 2-5 working days.
Good to know
- We'll send you an email to confirm once your parcel has been dispatched.
- For delivery queries, please email enquiries@optibacprobiotics.com.
- We are unable to ship orders to PO boxes.
- Product prices on this website are always shown in US dollars (USD $) and exclude tax - tax is not applicable as orders are fulfilled from the UK.
Worldwide Delivery
- We deliver to more than 50 countries.
- Shipping is charged at cost - please note that duties may apply.
- Please allow 3-7 working days for delivery within Europe and 5-12 days to all other destinations. Includes order tracking.
- If you are located within the United Kingdom or Europe, we recommended switching to our UK website.
- International deliveries might currently take a little longer due to the global coronavirus situation. Please refer to the webpage of our international delivery provider DHL to confirm the number of days it takes to receive your order and whether they currently ship to your country.
- Most international delivery prices are dependent on the size and weight of your order and where it is being sent. You'll be shown the final price of shipping in the checkout, before payment, once we have your address and order details.
- Long distance shipping and short-term exposure to high temperatures will not compromise the viability of our products. Customers living in very hot countries should store the products out of direct sunlight and refrigerate if the option is available.
For more details regarding international orders, currency conversion and applicable tax for orders outside the USA, please take a look at our delivery FAQ.
Returns
If you have changed your mind, you can return goods, at your cost, unopened within 14 days for refund or exchange, this does not affect your statutory rights.
Customer Questions
All questions answered by probiotic experts Dr Kate Stephens PhD (Food and Microbial Sciences) BSc(Hons) Medical Biology and Kerry Beeson BSc (Nut. Med.) Nutritional Therapist
Yes, Saccharomyces boulardii is one of the most highly researched probiotics in the world! But it’s actually a friendly yeast, not a type of bacteria. This internationally acclaimed probiotic has been used safely1,2 for over 50 years worldwide but it was Optibac that first introduced Saccharomyces boulardii to the UK market. It is used to support occasional diarrhoea3 and overall gut health*4,5.
Reference
1. Czerucka D, Piche T, Rampal P. Review: yeast as probiotics: Saccharomyces boulardii. Alimentary Pharmacology & Therapeutics. 2007 Sep;26(6):767-778. DOI: 10.1111/j.1365-2036.2007.03442.x.
2. McFarland L.V., (2010), ‘Systematic review and meta-analysis of Saccharomyces boulardii in adult patients’.World Journal of Gastroenterology, 16(18):2202–2222.
3.Das S et al. (2016) Efficacy and Safety of Saccharomyces boulardii in Acute Rotavirus Diarrhea: Double Blind Randomized Controlled Trial from a Developing Country. J Trop Pediatr. Dec;62(6):464-470
4. 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):111-1255.
5. Qamar et al., (2001)‘Saccharomyces boulardii Stimulates Intestinal Immunoglobulin A Immune Response to Clostridium difficile Toxin A in Mice’. Infect. Immun., 69(4):2762–2765.
S. boulardii has a broad range of potential benefits. It has been extensively researched and used worldwide for occasional diarrhoea. It has also been shown to promote a healthy gut environment, which encourages the growth of other good bacteria and discourages the growth of undesirable micro-organisms.
Each gut microbiome is unique, so the response to Saccharomyces boulardii will vary. Optibac Probiotics S. Boulardii supplement contains 5 billion live cultures per capsule. Try 1-2 capsules initially (or 3-4 capsules together if a stronger dose is required) and increase up to a maximum of 6 capsules (30 billion live cultures) spread over the day. Within these guidelines, then take as much or as little as you need, on an ad hoc or ongoing basis to support gut health and occasional diarrhoea1,2.*
Reference
1. Das S et al. (2016) Efficacy and Safety of Saccharomyces boulardii in Acute Rotavirus Diarrhea: Double Blind Randomized Controlled Trial from a Developing Country J Trop Pediatr. Dec;62(6):464-470
2. Zengbin L et al., (2021) Which Probiotic Is the Most Effective for Treating Acute Diarrhea in Children? A Bayesian Network Meta-Analysis of Randomized Controlled Trials. Nutrients, 13: 4319.
It’s easy to take S. boulardii probiotic supplements – they can be taken at any time of day, with or without food! This friendly yeast is more robust than bacteria, and can resist high heat, humidity, and stomach acid levels1. So it doesn’t need refrigeration, so you can take it with you, wherever you go.
Reference
1. Hossain M et al., (2020) Identification and Growth Characterization of a Novel Strain of Saccharomyces boulardii Isolated From Soya Paste. Frontiers in Nutrition, 2020; 7: 27.
Yes! In fact, it’s highly recommended. S. boulardii probiotic yeasts do not colonize for long in the gut but they harmonise well with good bacteria. They displace bad bacteria and unfriendly yeasts1 and create a healthy gut environment in which good bacteria can flourish2.For this reason, most people take them in combination.
Reference
1. Murzyn et al., (2010), ‘Capric Acid Secreted by S. boulardii Inhibits C. Albicans’. Plos One, 5(8):
2. Qamar et al., (2001), ‘Saccharomyces boulardii Stimulates Intestinal Immunoglobulin A Immune Response to Clostridium difficile Toxin A in Mice’. Infect. Immun., 69(4):2762–2765.
As a probiotic yeast, Saccharomyces boulardii is hardier than most good bacteria. It survives well in very hot or humid conditions1, doesn’t require refrigeration and can be taken with or without food. It’s the perfect ‘friend’ to take on your worldwide travels!
Reference
1. Hossain M et al., (2020) Identification and Growth Characterization of a Novel Strain of Saccharomyces boulardii Isolated From Soya Paste. Frontiers in Nutrition, 2020; 7: 27.
As it’s very good at slowing down stool transit time, at higher doses S. boulardii may cause mild constipation in certain individuals. If you tend to suffer with slow regularity,peak to your doctor or health professional for advice.
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| Saccharomyces Boulardii (80 capsules) | Bifido & Fibre (30 sachets) | Every Day (90 capsules) | One Week Flat (28 sachets) | |
| Suitability | Specific Digestive | Regularity | General Digestive | Gas or Bloating |
| Format | Capsules | Sachets | Capsules | Sachets |
| Dosage | 1-6 daily | 1-4 daily | 1 daily | 1 daily |
| Vegan | ||||
| With FOS/Prebiotic | ||||
| RRP | $36.49 | $26.49 | $39.99 | $34.99 |