Seeking Health Saccharomyces Boulardii (60 CAPS)
$32.80
Probiotic supplement: Saccharomyces boulardii (Lynside®) at 5 billion CFU per capsule.
Seeking Health single-strain formula using the Lynside® trademarked yeast strain. Shelf-stable without refrigeration, and capsules can be opened and mixed into food or drinks.
In stock
Ships same business day from Melbourne (orders before 2pm)
What is Seeking Health Saccharomyces Boulardii and who is it for?
Saccharomyces boulardii is a probiotic yeast, not a bacterial strain, which makes it distinct from most probiotics on the market. Seeking Health’s version delivers 5 billion CFU per capsule using the Lynside® trademarked strain, in a shelf-stable capsule that doesn’t require refrigeration. It’s a practical choice for people who travel frequently, are working with a practitioner on gut microbiome protocols, or want a yeast-based probiotic that can be taken alongside or after a course of antibiotics without interference.
Because it’s a yeast, S. boulardii occupies a different ecological niche in the gut than bacterial probiotics. It competes with potentially disruptive organisms for nutrients and binding sites, and research shows it can encourage the growth of beneficial bacteria including bifidobacteria. The capsules can be opened and mixed into food or beverages, which makes this a workable option for children aged 4 and up or anyone who has difficulty swallowing capsules.
Fairfield Nutrition Thoughts
S. boulardii is one of those supplements where the research is genuinely strong relative to most probiotic strains. It’s been studied extensively in the context of antibiotic-associated gut disruption, traveller’s digestive wellness, and gut microbiome protocols, and it has a distinct advantage over bacterial probiotics: antibiotics don’t affect it. That makes it particularly useful during and after antibiotic courses, where bacterial probiotics may be compromised.
Why This Formulation / How It Works
Most probiotics on the market are bacterial strains. S. boulardii is a yeast, which means it behaves differently in the gut and isn’t affected by antibacterial agents. This is a meaningful distinction: if you’re taking antibiotics, bacterial probiotics may be disrupted, but S. boulardii continues functioning normally. Seeking Health uses the Lynside® trademarked strain, which has been well-characterised in research, rather than a generic S. boulardii preparation. The capsule is shelf-stable, requires no refrigeration, and can be opened and mixed into food or drinks without losing potency due to the organism’s natural resistance to temperature and pH changes.
Competition for Intestinal Binding Sites
S. boulardii competes with potentially disruptive microorganisms for nutrients and binding sites along the intestinal wall. This competitive exclusion is a key mechanism by which probiotic organisms contribute to microbiome composition. Research also shows the organism produces proteins that may assist in processing toxins produced by certain pathogenic microbes, adding another layer of activity beyond simple competition.
Encouraging Beneficial Bacterial Growth
Rather than simply occupying space, S. boulardii has been shown to encourage the growth of beneficial bacteria, including bifidobacteria, in the colon. This cross-kingdom interaction is part of what makes it a useful addition to gut microbiome protocols, particularly when bacterial probiotic populations may be disrupted or depleted.
When to Consider This
This probiotic provides digestive wellness support through a yeast-based organism. It makes sense if you’re:
- Travelling internationally or frequently, where changes in food, water, and routine can challenge gut microbiome stability.
- Currently taking or recently finishing a course of antibiotics and want to maintain gut microbiome support throughout without interference.
- Working with a practitioner on a gut microbiome protocol that includes a yeast-based probiotic alongside or instead of bacterial strains.
- Looking for a probiotic suitable for a child aged 4 and up that can be mixed into food rather than swallowed as a capsule.
Supplement strategy: S. boulardii is commonly introduced as a standalone targeted probiotic or alongside bacterial strains as part of a broader gut microbiome protocol. Many practitioners introduce it during antibiotic courses and continue for several weeks afterward. It’s often used for defined periods of several weeks to months rather than as an indefinite daily foundational supplement, though ongoing use is suitable for those with persistent need.
⚠️ Not suitable for: Individuals with yeast sensitivities or known Saccharomyces allergies. Consult your healthcare practitioner before use if you are immunocompromised or have a central venous catheter, as yeast-based probiotics require additional caution in these situations.
How to Use
The suggested dose is 1 capsule taken with food, as needed or as directed by your healthcare professional. Each capsule delivers 5 billion CFU of Saccharomyces boulardii (Lynside®). Because S. boulardii is resistant to pH changes and temperature variation, the capsule can be opened and its contents mixed into food or a beverage without affecting potency. This makes it a practical option for children or anyone who prefers not to swallow capsules whole.
Ingredients
Per 1 capsule serving:
Saccharomyces boulardii (Lynside®) – 5 billion CFU
Lynside® is a registered trademark of Lesaffre et Compagnie, S.A.
Allergen information: Free from common allergens. Suitable for vegetarian and vegan use. Methyl-free formulation.
Common Questions
How is this different from bacterial probiotics like Lactobacillus or Bifidobacterium?
S. boulardii is a yeast, not a bacteria. This means it’s unaffected by antibiotics, which makes it particularly useful during antibiotic courses when bacterial probiotic strains may be disrupted. It also occupies a different ecological niche in the gut, so it can be used alongside bacterial probiotics rather than instead of them.
Does this need to be refrigerated?
No. S. boulardii is naturally resistant to temperature and pH changes, which is why this product is shelf-stable. Store in a cool, dry place and avoid freezing, but refrigeration is not required. This makes it well-suited for travel.
Can I open the capsule and mix it into food for my child?
Yes. Seeking Health notes this product is suitable from age 4, and the capsule can be opened and mixed into food or beverages. The organism’s resistance to pH changes means it remains viable when combined with most foods and drinks.
Can I take this at the same time as my antibiotics?
Because S. boulardii is a yeast rather than a bacterium, it isn’t affected by antibacterial agents. Many practitioners recommend taking it during antibiotic courses to maintain gut microbiome support. That said, check with your healthcare professional about timing and suitability for your specific situation.
Warnings & Storage
Do not use if: You have a known sensitivity or allergy to yeast or Saccharomyces. Do not use if tamper seal is damaged.
Cautions: Consult your healthcare practitioner prior to use if you are immunocompromised, have a central venous catheter, are pregnant, or are breastfeeding. Use as directed by your healthcare professional.
Storage: Store tightly closed in a cool, dry place out of reach of children. Refrigeration is not required. Do not freeze.
Always consult your healthcare professional before use if you have any pre-existing conditions or are taking medications.
| Weight | 0.07 kg |
|---|---|
| Dimensions | 3 × 3 × 10 cm |
