Trusted worldwide
A legacy built on trust and expertise.
VSL® Probiotics: A Legacy of Science in Every Strain.
Building on the trusted heritage of VSL#3®, VSL® Probiotics now includes innovative supplements like VSL4®, designed for everyday wellness.
Rooted in science
Guided by probiotic research.
Commitment to quality
Ensuring potency and reliability.
Designed for diverse needs
Supporting gut and women’s wellness.
A Gold Standard in Probiotics
- Premium multi-strain probiotic supplement
- Well-respected multi-strain probiotic brand trusted by specialists
- Ultra-high potency with potency preserved until expiry when properly stored
- Eight complementary probiotic strains from three different genera
- Backed by scientific research and widely studied
Science Over Hype.
Purpose Over Promises.
Built on the legacy of VSL#3R -a probiotic trusted by healthcare professionals and recognized for its scientific rigor VSLe Probiotics continues to advance microbiome science through targeted, high-quality formulations that support both clinical dietary management and everyday wellness.
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Designed for Viability
Carefully designed formulations that help safeguard live bacteria from production to delivery.
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Science-Led Strain Selection
Thoughtfully formulated with complementary probiotic strains chosen for function and purpose.
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A Legacy of Expertise
A probiotic heritage recognized for its consistency, credibility, and professional trust.
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Committed to Potency
Potent probiotic formulations guaranteed to maintain labeled CFU counts through expiration.
Clean Ingredients. Trusted Standards.
We believe what's not in your probiotic is just as important as what is.
Dairy-Free
Gluten-Free
No GMOs
Soy-Free
The VSL® Probiotics Difference
Quality Formulations
Carefully crafted wellness supplements built to strict standards for quality and consistency, designed to fit your daily self-care routine.
Verified Potency
High count live cultures per serving, formulated to retain labeled culture counts through expiry when stored following recommended guidelines.
Multi-Strain Support
Combining multiple probiotic strains in one formulation, with each strain selected to contribute to the overall profile of the product.
Research-Informed Approach
Developed with an emphasis on scientific methodology and product testing, to support transparency and confidence in every serving.