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The Science of Gut Resilience

Saccharomyces Boulardii Complex is a powerful, high-strength probiotic yeast formula designed to support gut flora balance, digestive health, and immune system function. Unlike standard bacterial probiotics, this unique yeast is hardy, acid-resistant, and ideal for travel or use alongside antibiotics.

We wanted a digestive support formula that is robust enough for real life. This supplement withstands stomach acid and temperature changes, making it the perfect travel companion for protecting against "traveller's tummy" without the need for refrigeration.

We have enriched this formula with Olive Leaf Extract, Vitamin D3, and Biotin to provide complete support for mucous membrane integrity and a healthy inflammatory response.

Gut Flora & Immune Matrix

We have combined 4 active ingredients to support intestinal balance and natural defence:

• Saccharomyces Boulardii (5 Billion CFU): A non-pathogenic, transient yeast that helps crowd out harmful organisms and supports digestive comfort.
• Olive Leaf Extract: Rich in oleuropein, a plant compound traditionally valued for maintaining a healthy digestive environment and microbial balance.
• Biotin (Vitamin B7): Essential for the maintenance of normal mucous membranes (the lining of the gut) and energy-yielding metabolism.
• Vitamin D3: Contributes to the normal function of the immune system and a healthy inflammation response.

*Please see the product images for the full nutritional label and complete ingredient list.

How to Use

Take 1 capsule, 1 to 3 times daily before meals.

Antibiotic Protocol: Ideal for maintaining gut flora during or after antibiotic use. It can be taken safely alongside your prescription.

Travel Tip: Start taking 1 week before travel and continue throughout your trip to support digestive stability.

Backed by Science & Quality

Saccharomyces boulardii is one of the most researched probiotics in the world, particularly for its stability and efficacy. Explore the clinical data:

• Antibiotic Associated Diarrhoea: A meta-analysis confirmed that S. boulardii is significantly effective in reducing the risk of antibiotic-associated diarrhoea in adults.
• Gut Barrier Function: Research indicates that S. boulardii secretes factors that help maintain the integrity of the intestinal barrier and modulate inflammation.
• Digestive Pathogens: Studies have shown that Olive Leaf Extract exhibits specific antimicrobial activity against digestive pathogens like Helicobacter pylori and Campylobacter jejuni.

The Health Improvers Difference:

• Quality assured: UK manufactured to GMP standards.
• Purpose-led: No unnecessary additives; designed for real life, not trends.
• Risk-free: Covered by our 60-day money-back guarantee.

Delivery & Returns

Fast, Free UK Delivery

• Free Standard Delivery: All orders are shipped completely free of charge using Royal Mail Tracked 48.
• Flexible Options: Additional expedited shipping options are available at checkout.

For full details, view our Shipping Policy.

Our 60-Day "Gut Resilience" Guarantee

We stand behind our formulas. If you take Saccharomyces Boulardii Complex consistently and don't feel a noticeable difference in your digestive comfort, resilience, and overall gut balance, simply contact us within 60 days for a hassle-free return and full refund. View our Refund Policy for full terms.