VSL® Probiotics: ALegacy of Science in Every Strain.

  • Trusted worldwide

    A legacy built on trust and expertise.

  • Rooted in science

    Guided by probiotic research.

  • Commitment to quality

    Ensuring potency and reliability.

  • Designed for diverse needs

    Supporting gut and women'shealth.

    Discover VSL#3® Capsules

    The #1 gastroenterologist-recommended multi-strain probiotics brand

    VSL#3® is a clinically studied, ultra-high-potency,multi-strain probiotic medical food. VSL#3® capsules are scientifically formulated for the dietary management of IBS and ulcerative colitis.

    VSI#3® Benefits:

    • A Clinically Studied Medical Food VSL#3® is a medical-grade formulation supported by
      clinical research.
    • Ultra-High Potency, Guaranteed Contains 112.5 billion live bacteria (CFU) per capsule-an ultra-high-potency formula designed to keep its labeled potency through expiration when stored under recommended conditions.
    • Multi-Strain 8 complementary strains from 3 different genera.
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    VSL#3® Is Scientifically Formulated ForThe Dietary Management of IBS

    Doctor Recommended

    In a 2002 survey of gastroenterologists, 93% reported that IBS patients weresatisfied with VSL#3®.

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    Science Over Hype.Purpose Over Promises.

    Built on the legacy of VSL#3®- a probiotic trusted by healthcare professionals and recognized for its scientific rigor -VSL® Probiotics continues to advance microbiome science through targeted, high-quality formulations that support both clinical dietary management and everyday wellness.

    • Designed for Viability

      Carefully designed formulations that help safeguard live
      bacteria from production to delivery.

    • Science-Led Strain Selection

      Thoughtfully formulated with complementary probiotic
      strains chosen for function and purpose.

    • Committed to Potency

      Potent probiotic formulations guaranteed to maintain labeled CFU counts through expiration.

    • A Legacy of Expertise

      A probiotic heritage recognized for its consistency,
      credibility, and professional trust.

      Key Benefits of VSL#3®

       

      VSL#3® combines

      8

      complementary probioticstrains from 3 different generato support gut microbiotadiversity and digestive balance

      VSL#3® is distributed in over

      40

      countries and counting -
      it's trusted by healthcare
      professionals and patients
      worldwide.

      VSL#3® is

      Dairy-Free

      for individuals who avoid
      dairy due to dietary
      preferences or sensitivities.

      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

        Medical Foods Supplements

        From medical foods formulated for the dietary management of Gl conditions to supplements for daily wellness, VSL® Probiotics is made to the highest standards of quality and consistency.

        Proven Potency

        Up to 900 billion live bacteria per serving -verified to maintain labeled CFU counts through expiration when stored as recommended.

        Evidence-Based Formulations

        Formulated with probiotic strains and combinations supported by published research and guided by microbiome science.

        Trusted by Professionals

        Rooted in the heritage of VSL#3®-a probiotic trusted by healthcare professionals-VSL® Probiotics carries that same dedication to quality and research into every new formulation.

        •  

          VSL#3®

          Backed by Experts. Made for You.

          The #1 gastroenterologist-recommendedmulti-strain probiotics brand

        What Our Customers Say

        • I often suffer from bloating after dairy meals. VSL#3 balances my gut flora effectively, reducing discomfort greatly. The potent multi-strain formula is gentle and reliable for my daily gut care.

          Megan S.

        • Antibiotics ruined my gut balance with constant loose stools. VSL#3 stabilized my digestion in one week. Gluten-free portable capsules deliver clinically supported strains straight to my gut.

          David R.

        • Spicy takeout always upset my sensitive stomach until I started VSL#3. My bowel movements stay regular daily, and sudden abdominal pain rarely hits me anymore. Truly reliable gut support.

          Lisa M.

        • Irregular shift work left me bloated and sluggish daily. Taking VSL#3 each morning removes heavy gut feelings. Its science-backed formula works perfectly for my unstable digestion.

          Thomas H.

        • I tested countless probiotics, yet VSL#3 eases mild intestinal inflammation best. Freeze-dried cultures survive stomach acid, and gentle effects bring steady gut relief without side effects.

          Sarah K.

        • My teen kid gets stress-induced stomach aches, and VSL#3 calms their gut quickly. I take it daily to protect intestinal lining, trusted widely by digestive health specialists.

          Paul J.

        • Midlife slow digestion caused inconsistent bowel habits. One month of VSL#3 regulates everything smoothly. Transparent clinical research makes this premium probiotic worth every dollar.

          Carol W.