Metagenics Ultraflora SB Diarrhoea Support Probiotic Capsules
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Metagenics Ultraflora SB Diarrhoea Support Probiotic 60 Capsules

Formerly "Ultra Flora SB Dysbiosis" SB Probiotic for gut health

Key Benefits

Assists in reducing the risk of traveller’s diarrhoea

Supports healthy gut microbiome balance during dysbiosis

Helps relieve diarrhoea and maintain gastrointestinal function

$65.95

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$65.95

Always read the label and follow the directions for use. Read the warnings before purchase.

What is Metagenics Ultraflora SB Diarrhoea Support Probiotic?

UltraFlora SB Diarrhoea Support Probiotic is a practitioner-formulated probiotic supplement designed to support gut microbiome balance, help relieve diarrhoea, and assist in reducing the risk of traveller’s diarrhoea. It provides targeted support during periods of gastrointestinal disruption, including gut dysbiosis and travel-related digestive changes.

Gut dysbiosis refers to an imbalance in the gut microbiome, which may involve a reduction in beneficial bacteria, an overgrowth of undesirable microorganisms, or reduced microbial diversity. By supporting microbial balance, UltraFlora SB Diarrhoea Support Probiotic helps promote a healthier intestinal environment and normal digestive function.

Each capsule contains:

Saccharomyces cerevisiae (boulardii) (SB) – A beneficial yeast probiotic widely used to help relieve diarrhoea and support gut microbial balance, particularly during and following antibiotic use or travel. S. boulardii helps support gastrointestinal mucosal integrity and contributes to maintaining normal gut function when bacterial balance is disrupted, making it especially useful in cases of gut dysbiosis and traveller’s diarrhoea.

Bifidobacterium lactis (Bi-07) – A well-researched probiotic strain that supports digestive comfort and healthy gut flora balance. Bi-07 helps maintain beneficial intestinal bacteria and contributes to normal gastrointestinal function, complementing the actions of S. boulardii to support overall digestive resilience.

Together, these probiotics form a synergistic diarrhoea-support and microbiome-balancing complex that helps restore gut microbial balance, support intestinal integrity, and promote healthy digestive function during periods of gastrointestinal stress.

UltraFlora SB Diarrhoea Support Probiotic is provided in vegetable capsules, making it suitable for individuals who prefer to avoid gelatin for dietary, health, or religious reasons.

Free from: Animal products, Corn, Dairy protein, Lactose, Eggs, Gluten, Wheat, Nuts, Soy protein, Starches, Salt, Artificial colours, Artificial flavours, Artificial preservatives.

Excipients: calcium hydrogen phosphate dihydrate, dibasic potassium phosphate, disodium edetate, gellan gum, hypromellose, magnesium stearate, maltodextrin, monobasic potassium phosphate, potable water, potassium acetate, sorbitan monostearate, sucrose .

Adults:
For dysbiosis and gut health: take 1 capsule twice daily with food until finished.

To relieve diarrhoea: take 2 capsules twice daily.

To reduce the occurrence of traveller’s diarrhoea: for 5 days prior and everyday whilst travelling, take 1 capsule twice daily.

If diarrhoea persists for more than;
6 hours in infants under 6 months,
12 hours in children under 3 years,
24 hours in children aged 3 to 6 years,
48 hours in adults and children over 6 years, seek medical advice.
If symptoms persist consult your healthcare professional.

“Saccharomyces cerevisiae (boulardii) is a unique probiotic yeast that works differently to traditional bacterial probiotics. Because it is not affected by antibiotics, it is particularly useful during antibiotic use and travel, where it helps support gut microbial balance and maintain gastrointestinal barrier integrity. S. boulardii is well recognised for helping relieve diarrhoea and reducing the risk of traveller’s diarrhoea, while supporting healthy gut function during periods of digestive stress. When combined with a supportive bacterial strain such as Bifidobacterium lactis, this type of formulation offers targeted support for restoring gut balance and digestive resilience.”

— Isabella Truong, Pharmacist

Standard Shipping - $12.95

  • 2 – 7 business days metro
  • 7 – 14 business days regional/remote

Express Shipping - $16.95

  • 1 – 3 business days metro
  • 3 – 7 business days regional/remote

Orders over $199 (after discounts) - Free*

  • 2 – 14 business days *(Standard shipping)

We aim to process all orders within 2–3 business days of your order being placed.

Orders placed on weekends or NSW public holidays will be processed on the next business day.

Delivery timeframes begin once your order has been dispatched. Actual times may vary due to courier network delays or regional location.

For more detailed information, see our Shipping & Delivery Policy.

Frequently asked question

UltraFlora SB contains Saccharomyces boulardii, a beneficial yeast (not a bacterial probiotic) that supports digestive health, particularly during diarrhea or gut disturbances. It's especially effective for traveler's diarrhea, antibiotic-associated diarrhea, and supporting gut barrier function during digestive challenges.

Saccharomyces boulardii works differently from bacterial probiotics. It helps restore healthy gut function by: binding to and removing harmful bacteria and toxins, supporting intestinal barrier integrity, reducing intestinal inflammation, promoting beneficial gut bacteria growth, and helping normalize bowel movements during and after diarrhea.

Yes! This is one of the key benefits of S. boulardii—because it's a yeast, not a bacteria, antibiotics don't kill it. You can take UltraFlora SB at the same time as antibiotics without separation. It helps prevent antibiotic-associated diarrhea and protects your gut during treatment.

UltraFlora LGG® Forte Probiotic is provided in vegetable capsules and delivers 20 billion live LGG® organisms per capsule, making it suitable for daily use or periods of increased gut demand, such as dietary changes, travel, or digestive challenges. It offers a simple, evidence-based option for maintaining gut integrity and overall wellbeing as part of a balanced lifestyle.