---
product_id: 48323029
title: "Saccharomyces Boulardii - Vegan Digestive Supplement - 40 Capsules | With 5 billion live cultures per capsule, Unique friendly yeast, Extensively researched, Most trusted & recommended brand"
brand: "optibac"
price: "$53.97"
currency: USD
in_stock: true
reviews_count: 13
category: "Optibac"
url: https://www.desertcart.us/products/48323029-saccharomyces-boulardii-vegan-digestive-supplement-40-capsules-with-5-billion
store_origin: US
region: United States of America
---

# 100% vegan & allergen-free 5B live cultures/capsule Eco-friendly recyclable glass jar Saccharomyces Boulardii - Vegan Digestive Supplement - 40 Capsules | With 5 billion live cultures per capsule, Unique friendly yeast, Extensively researched, Most trusted & recommended brand

**Brand:** optibac
**Price:** $53.97
**Availability:** ✅ In Stock

## Summary

> 🛡️ Elevate Your Gut Game with Science-Backed, Vegan-Friendly Power!

## Quick Answers

- **What is this?** Saccharomyces Boulardii - Vegan Digestive Supplement - 40 Capsules | With 5 billion live cultures per capsule, Unique friendly yeast, Extensively researched, Most trusted & recommended brand by optibac
- **How much does it cost?** $53.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/48323029-saccharomyces-boulardii-vegan-digestive-supplement-40-capsules-with-5-billion)

## Best For

- optibac enthusiasts

## Why This Product

- Trusted optibac brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Daily Defense:** Safe for adults, kids 1+, and even pets; supports gut recovery during antibiotics and everyday balance.
- • **Clean & Conscious Formula:** Vegan, gluten-free, dairy-free, and free from artificial nasties—pure gut health without compromise.
- • **Clinically Proven Gut Guardian:** Backed by 50+ years & 100+ studies, this yeast reaches your gut alive for real digestive support.
- • **Ultimate Convenience, Zero Chill:** Shelf-stable capsules require no refrigeration—perfect for busy professionals on the move.
- • **Sustainable Packaging, Stylish Impact:** FSC-certified recyclable glass jar reduces plastic waste while protecting potency.

## Overview

Optibac Saccharomyces Boulardii delivers 5 billion live, clinically researched friendly yeast cultures per capsule in a vegan, gluten-free formula. Designed for daily digestive support, it’s shelf-stable with no refrigeration needed and packaged in eco-conscious recyclable glass. Trusted globally for over 50 years, this supplement supports gut health naturally, suitable for adults, children over 1 year, and even pets, making it a premium choice for mindful wellness enthusiasts.

## Description

Product description Here at Optibac, we have spent nearly 2 decades working with the most researched bacteria strains in the world. Our friendly bacteria supplements are scientifically formulated to help you feel your best and support your health - naturally. We pride ourselves on being backed by credible science and all of our friendly bacteria strains are extensively researched in global leading laboratories. Our live culture supplements are easy to take and suitable for everyone. Internationally acclaimed strain Saccharomyces boulardii has been used for over 50 years to support optimal gut health. Optibac guarantees 5 billion live cultures in every capsule. Optibacs' pure Saccharomyces boulardii is scientifically proven to pass through stomach acidity to reach your gut alive. This supplement is vegan, gluten-free, dairy-free & free from added sugar, artificial flavourings or colourings. Take 1 capsule daily. Especially formulated for women*, men and babies over 1-year-old. *Consult with your doctor if pregnant or breastfeeding. Suitable for daily use, and can be taken intensively or on a long-term basis. Ingredients Live cultures: Saccharomyces boulardii (275mg); capsule: hydroxypropyl methylcellulose. Directions Adults: take 1 capsule daily. May be increased up to 4 capsules daily as desired (depending on severity of symptoms) or as professionally directed. Children (one year and over): for young children the dose should be lowered. 1 capsule daily, may be increased up to 2 capsules daily. For those unable to swallow capsules, open and mix contents with cold, non-acidic drinks/food. If taking anti-fungals, take separately (at least 2 hours apart). 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 and out of direct sunlight. Safety Warning Do not exceed the recommended daily dosage. This is a food supplement and is not intended to diagnose, treat, cure or prevent any disease. Food supplements should not be used as a substitute for a healthy lifestyle and varied diet. Live cultures are not recommended for those with serious medical conditions. If you are taking any medications or have a serious medical condition, consult a doctor before use. Keep out of reach of children. Pregnant or breastfeeding women should consult their doctor before taking Saccharomyces boulardii. Optibac supplements will not cause dependency and may be used on an ongoing basis. Manufacturer Contact Information Wren Laboratories Ltd, 21 & 22 Mayfield Avenue Industrial Park, Andover, Hampshire, SP11 8HU

Review: 🌟 A True Game-Changer! 100% Pure S. Boulardii for Gut, Pets, & DIY Skincare - Overview: Optibac’s Saccharomyces Boulardii (80 Capsules) is a versatile, 5-star game-changer for households prioritising purity and digestive recovery. Unlike standard bacterial strains that can delay natural gut recovery following antibiotics, this friendly yeast acts as temporary structural support, allowing native microflora to rebuild safely. Pros • 🛡️ Microbiome Protection: Helps native gut flora recover naturally after antibiotics. • 🫙 Amber Glass Jar: Recyclable, plastic-free packaging that blocks UV light. • 🔒 Prioritises Safety: Rigorously batch-tested for contaminants and common allergens. • 🌱 100% Pure: Minimalist formula with zero filler ingredients or chemical binders. • 👍 Easy to Take: Smooth capsules that are easy to swallow with zero aftertaste. • 🐾 Pet-Friendly: Clean enough to safely mix directly into dog food. • ✨ Skin Barrier Support: Calms dry, irritated, redness-prone skin in DIY balms. • ✈️ Travel Convenient: Robust, shelf-stable yeast that requires no refrigeration. Cons • ⚠️ Dosing Caution: Jumping straight to the maximum dose may cause constipation. • 📚 Demands independent research and cosmetic formulation know-how to ensure safe DIY use. The Review Safety is my main concern, and this product provides total peace of mind. Every batch undergoes rigorous testing to ensure it is completely free from common allergens, heavy metals, and harmful microbial contaminants. It has become my absolute go-to for mild digestive upsets. I tend to use it for two weeks at a time. The premium amber glass jar is a massive plus point—it looks great, cuts down on plastic use, and shields the delicate yeast from UV light to maintain potency Based on personal experience, my biggest piece of advice is to be cautious with your dosing strategy. Do not just take the maximum suggested dose of 6 capsules per day right at the outset. Jumping straight to the maximum amount can shock your system and result in temporary constipation. Instead, start with a moderate dose, see how your body reacts, and gently work your way up or down as needed to find your ideal balance. When dosed properly, it works incredibly well during antibiotic use and maintains normal stool consistency perfectly. Most bacterial probiotics can actually slow recovery because they act like aggressive squatters, moving into the empty spaces and preventing your native flora from growing back. This Optibac yeast acts like temporary construction scaffolding instead. It moves in quickly, shields the gut from harmful pathogens, and holds the structure steady without permanently colonising. Once your native bacteria safely rebuild underneath it, the scaffolding naturally leaves. Because it contains zero fillers, binders, or artificial additives, this is a very clean supplement, which permits some novel uses: after doing some personal research, I began using this for to settle my dogs' tummy upsets. I mix the powder right into their food without worrying about hidden chemical agents. I also open the capsules and add the powder to DIY body balms and deodorants. The pure, tested formulation helps maintain a healthy skin barrier and effectively soothes my red, irritated, dry skin. Topical yeast has been a subject of wound healing research, but users should explore this independently to make a judgement about whether this strategy meets their specific needs. It is important to note that successfully maintaining live culture viability and overall microbiological safety in homemade, waterless, or unpreserved DIY balms requires some technical know-how and proper formulation skills. Always exercise caution when applying products intended as food supplements topically! Verdict: These shelf-stable capsules require no refrigeration and are incredibly easy to use. Highly recommended for households where safety, strict allergen control, and true digestive recovery are needed. The unique scaffolding action, amber glass jar protection, and exceptionally clean formula make this a premium, trustworthy choice. Just remember to start slow with your daily dose! ⭐⭐⭐⭐⭐
Review: Really good product - This is a great probiotic. Have suffered with ibs for years now, mornings were always a nightmare for me with stomach cramps and rushing to the loo frequently. I have been taking one a day for the past few months now and I have certainly noticed a great difference, no more stomach cramps or rushing to the loo. I wouldn't be without these now as they have made a huge difference. I take the one tablet after my main meal of the day. I would certainly recommend trying these, hope they work for you too

## Features

- EXTREMELY WELL-RESEARCHED - One of the most studied live cultures in the world, with over 50 years of research in over 100 scientific studies including thousands of children and adults.
- SCIENTIFICALLY PROVEN - Saccharomyces boulardii is a highly-researched, internationally acclaimed strain of friendly yeast, proven to reach the gut alive.
- EASY-TO-USE - No need for refrigeration, making this supplement suitable to take with you wherever you go. Suitable from 1 year+ and for daily use, S. Boulardii can be taken intensively or on a long-term basis. Can be taken alongside supplements or medicines for diarrhoea and IBS.
- A VEGAN, MORE NATURAL CHOICE - This digestive supplement is vegan, dairy-free & free from added sugar, artificial colours or preservatives. Gluten-free and therefore may be suitable for those with coeliac disease.
- GREENER PACKAGING - Comes in a recyclable FSC-certified carton and glass jar, ideal for those looking to cut down on plastic.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0719BVG2Q |
| Age Range Description | Child |
| Allergen Information | Contains: Gluten Free |
| Benefits | Digestive supplement – scientifically proven yeast |
| Best Sellers Rank | 1,319 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 1 in Saccharomyces Boulardii Supplements |
| Brand | Optibac |
| Brand Name | Optibac |
| Colour | Yellow |
| Container Type | Jar |
| Country Of Origin | Canada |
| Customer Reviews | 4.6 out of 5 stars 1,114 Reviews |
| Diet Type | Vegan |
| Dosage Form | Capsule |
| Flavour | Unflavoured |
| Item Dimensions | 7 x 6.5 x 10 centimetres |
| Item Form | Capsule |
| Item Nype Name | Optibac Probiotics Saccharomyces Boulardii - Pack of 40 Capsules |
| Item Weight | 50 g |
| Item form | Capsule |
| Item weight | 50 g |
| Manufacturer | Wren Laboratories Limited |
| Manufacturer Contact Information | Wren Laboratories Ltd, 21 & 22 Mayfield Avenue Industrial Park, Andover, Hampshire, SP11 8HU |
| Manufacturer Part Number | SB |
| Material Features | Vegan, Gluten Free & Free from artificial flavourings or colourings |
| Number of Items | 1 |
| Primary Supplement Type | Friendly bacteria |
| Primary supplement type | Friendly bacteria |
| Special Ingredients | Saccharomyces boulardii |
| Specific Uses For Product | Probiotics |
| Total Servings Per Container | 40 |
| Unit Count | 40.0 count |
| Unit count | 40.0 count |

## Product Details

- **Brand:** Optibac Probiotics
- **Diet type:** Vegan
- **Flavour:** Unflavoured
- **Item dimensions L x W x H:** 7 x 6.5 x 10 centimetres
- **Item form:** Capsule
- **Item weight:** 0.11 Pounds
- **Primary supplement type:** Probiotic
- **Product benefits:** Digestive Health Support
- **Special ingredients:** Saccharomyces boulardii
- **Unit count:** 40.0 count

## Images

![Saccharomyces Boulardii - Vegan Digestive Supplement - 40 Capsules | With 5 billion live cultures per capsule, Unique friendly yeast, Extensively researched, Most trusted & recommended brand - Image 1](https://m.media-amazon.com/images/I/716l2qgeEgL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Can S. Boulardii be taken with other live cultures?**
A: Yes! In fact, it’s highly recommended. S. boulardii does not colonise for long in the gut but it harmonises extremely well with all types of friendly bacteria, so most people take them in combination.

**Q: How much S. Boulardii should I take?**
A: Our gut microbiomes are unique, so the response to Saccharomyces boulardii varies. If taking Optibac S. Boulardii supplement try 1-2 capsules initially & increase if necessary up to a maximum of 4 capsules (depending on symptoms) spread over the day.

**Q: Is Saccharomyces boulardii a friendly bacteria strain?**
A: Saccharomyces boulardii is one of the most highly researched strains in the world! But it is actually a friendly yeast, not a type of bacteria. This internationally acclaimed strain has been used safely for over 50 years around the world.

**Q: When should I take S. Boulardii?**
A: It’s easy to take S. boulardii live cultures. They can be taken at any time of day, with or without food. This friendly yeast is more robust than most bacteria. No need for refrigeration, so you can take it with you wherever you go!

**Q: What makes S. Boulardii suitable for travel?**
A: As a friendly yeast, Saccharomyces boulardii is hardier than most good bacteria. It survives well in hot & humid conditions, doesn’t require refrigeration & can be taken with or without food. The perfect ‘friend’ to take on your worldwide travels!

## Customer Reviews

### ⭐⭐⭐⭐⭐ 🌟 A True Game-Changer! 100% Pure S. Boulardii for Gut, Pets, & DIY Skincare
*by A***E on 19 May 2026*

Overview: Optibac’s Saccharomyces Boulardii (80 Capsules) is a versatile, 5-star game-changer for households prioritising purity and digestive recovery. Unlike standard bacterial strains that can delay natural gut recovery following antibiotics, this friendly yeast acts as temporary structural support, allowing native microflora to rebuild safely. Pros • 🛡️ Microbiome Protection: Helps native gut flora recover naturally after antibiotics. • 🫙 Amber Glass Jar: Recyclable, plastic-free packaging that blocks UV light. • 🔒 Prioritises Safety: Rigorously batch-tested for contaminants and common allergens. • 🌱 100% Pure: Minimalist formula with zero filler ingredients or chemical binders. • 👍 Easy to Take: Smooth capsules that are easy to swallow with zero aftertaste. • 🐾 Pet-Friendly: Clean enough to safely mix directly into dog food. • ✨ Skin Barrier Support: Calms dry, irritated, redness-prone skin in DIY balms. • ✈️ Travel Convenient: Robust, shelf-stable yeast that requires no refrigeration. Cons • ⚠️ Dosing Caution: Jumping straight to the maximum dose may cause constipation. • 📚 Demands independent research and cosmetic formulation know-how to ensure safe DIY use. The Review Safety is my main concern, and this product provides total peace of mind. Every batch undergoes rigorous testing to ensure it is completely free from common allergens, heavy metals, and harmful microbial contaminants. It has become my absolute go-to for mild digestive upsets. I tend to use it for two weeks at a time. The premium amber glass jar is a massive plus point—it looks great, cuts down on plastic use, and shields the delicate yeast from UV light to maintain potency Based on personal experience, my biggest piece of advice is to be cautious with your dosing strategy. Do not just take the maximum suggested dose of 6 capsules per day right at the outset. Jumping straight to the maximum amount can shock your system and result in temporary constipation. Instead, start with a moderate dose, see how your body reacts, and gently work your way up or down as needed to find your ideal balance. When dosed properly, it works incredibly well during antibiotic use and maintains normal stool consistency perfectly. Most bacterial probiotics can actually slow recovery because they act like aggressive squatters, moving into the empty spaces and preventing your native flora from growing back. This Optibac yeast acts like temporary construction scaffolding instead. It moves in quickly, shields the gut from harmful pathogens, and holds the structure steady without permanently colonising. Once your native bacteria safely rebuild underneath it, the scaffolding naturally leaves. Because it contains zero fillers, binders, or artificial additives, this is a very clean supplement, which permits some novel uses: after doing some personal research, I began using this for to settle my dogs' tummy upsets. I mix the powder right into their food without worrying about hidden chemical agents. I also open the capsules and add the powder to DIY body balms and deodorants. The pure, tested formulation helps maintain a healthy skin barrier and effectively soothes my red, irritated, dry skin. Topical yeast has been a subject of wound healing research, but users should explore this independently to make a judgement about whether this strategy meets their specific needs. It is important to note that successfully maintaining live culture viability and overall microbiological safety in homemade, waterless, or unpreserved DIY balms requires some technical know-how and proper formulation skills. Always exercise caution when applying products intended as food supplements topically! Verdict: These shelf-stable capsules require no refrigeration and are incredibly easy to use. Highly recommended for households where safety, strict allergen control, and true digestive recovery are needed. The unique scaffolding action, amber glass jar protection, and exceptionally clean formula make this a premium, trustworthy choice. Just remember to start slow with your daily dose! ⭐⭐⭐⭐⭐

### ⭐⭐⭐⭐⭐ Really good product
*by A***R on 21 July 2026*

This is a great probiotic. Have suffered with ibs for years now, mornings were always a nightmare for me with stomach cramps and rushing to the loo frequently. I have been taking one a day for the past few months now and I have certainly noticed a great difference, no more stomach cramps or rushing to the loo. I wouldn't be without these now as they have made a huge difference. I take the one tablet after my main meal of the day. I would certainly recommend trying these, hope they work for you too

### ⭐⭐⭐⭐⭐ Miracle Cure! - no really!
*by C***L on 12 January 2015*

I've been buying this product for some time and I can't believe I haven't posted a review before - maybe i have and have forgotten, because this is a LIFE CHANGING product. I know that sounds like an infomercial, but if you are reading this as a fellow sufferer of Irritable Bowel Syndrome you will probably forgive what seems like hyperbole and understand that it is not. Living with permanent diarrhoea is a MISERABLE existence - and its just misery plus frustration to go through the endless trying of different diets, doctors appointments, supplements and tests in search of relief. Indeed I had tried pro-biotics a few years previously with no success, if thats you then TAKE NOTE they have come A LONG way in the last few years, and the key is that its not just a broad-spectrum cure-all anymore, this company in particular seem to have done a great job of studying and isolating the different strains for different therapeutic effect. In brief my history is a hyperactive bowel - many many movements per day every day, 'diagnosed' as IBS and with SOME (but not enough) improvement from a Gluten free and low-fructose diet. (I went through the Fuctose-malabsorption diagnosis, and I still stick to a low fructose diet most of the time) - i am satisfied that in my case the absorption of fructose IS part of the problem. Anyway, it got to the point where I was cutting out more and more foods to maintain the effect, and I concluded that it was clear that some bacteria was failing to flourish in my gut, thus preventing me from absorbing fructose. And that in fact starving the gut of fructose really only made me MORE sensitive in the long run. Now you'll find a curious direction on the packaging saying 'take 1-4 capsules per day - or up to 6(?) and considering the price of this product you'll be hoping you are not in the up to 6 category. but in my case 1, 2, 3, or 4 capsules per day had no recognisable effect. I need the whole six - so its an expensive exercise, but of course to get relief from the kind of chronic symptoms I'm describing you'll pretty much sell a family member. So I don't mean to declare this a cure for IBS - there is no such thing because so many different conditions are all rolled into one under that phrase which is basically code for 'your doctor doesn't know what to do with you' - but if your symptoms sound anything like mine - then DO TRY THIS. Oh and in my case - the effects (once I went up to full dose) were almost immediate - the downside is if you STOP taking it the effects are pretty immediate too!

## Frequently Bought Together

- Optibac Probiotics Saccharomyces Boulardii - Vegan Scientifically Proven Digestive Probiotic Supplement, 5 Billion CFU - 40 Capsules
- Senokot Dietary Supplement, Natural and Organic Senna Leaf, Laxative Tea for Occasional Constipation, 20 Wrapped Pyramid sachets, Certified Organic.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-02*