
INGREDIENTS
- Probiotic strains Streptococus thermophilus, Bifdobacterium breve, Bifidobacterum lactis (previously classfed as B. longum, Bifdobacterium lactis (previouslylasifed as B.infantis, Lactobacilus acidophilus, Lactobacilus plantarum, Lactobaclus paracasei Lactobacllus he veticus (previously clasfed as L. delbrueckisubsp
bulgaricus) - Other ingredients Vegetal capsule thydroxypropyl methylcellulose), cornstarch, magnesium stearate, slicon dioxide, stearic acid, microcystaline celulose.
More Than a Probiotic.A Powerful Medical Food.
Pioneers in Probiotics.Leaders in Gut Health.
VSL#3^ is an ultra-high-potency probiotic medicalfood - and the #1 gastroenterologist-recommended multi-strain probiotics brand.Developed for people with serious gastrointestinalconditions, it's trusted by healthcare professionalsand customers alike for its scientific foundation,clinical credibility, and unwavering quality.
Built on Science.Proven in Practice.
Driven by research - not marketing trends -VSL#3^ is trusted in clinical care for the dietarymanagement of specific gastrointestinalconditions. It continues to set the standard forpotency, consistency, and reliability in probiotic
therapy.
Ultra-High-Potency.Guaranteed.
VSL#3^ products deliver between 112.5 billionand 900 billion live bacteria per serving,depending on the formulation. Unlike manyprobiotics that only promise potency at the timeof manufacture, VSL#3^ guarantees potencythrough expiration when stored as directed.
Clinically Researched Formulas.Real-World Results.
Each VSL#3^ product combines 8 well-characterized probiotic strains from 3 genera tohelp maintain a balanced intestinal microbiota andsupport digestive health. The VSL#3^ family isspecially designed for the dietary management ofirritable bowel syndrome (IBS), ulcerative colitis(UC), and pouchitis.
Why Doctors Trust VSL#3
It's What's on the Inside
Our unique 8-strain formulation is designed so each strain complements the others, helping maintain abalanced gut microbiota. Billions of live, beneficial bacteria work together to support digestive health.
VSL#3^ Capsules: Clean Ingredients. Verified Quality.
Our Purpose: ScienceThat Serves People
Microbiome health isn't one-size-fits-all - and neither are we.
VSL^ Probiotics exists to bridge the gap between scientific discovery andeveryday wellbeing. We develop precision-formulated probiotics groundedin a legacy of microbiome research, helping people manage complexdigestive conditions and support their daily gut and vaginal health.
Our formulations are built on the highest standards of potency, quality, andreliability. Backed by scientific and clinical research, VSL^Probioticscontinues to lead the way in advancing microbiome science for both clinicaluse and everyday wellness.
The VSL^ Difference: Proven.Precise. Trusted.
VSL^ Probiotics builds on the legacy of VSL#3^ - a formulation trusted by healthcare professionals forits quality, consistency, and reliability. That same foundation guides every product in the VSL^ Probioticsfamily, from clinically studied medical foods to precision-formulated daily supplements.
Our focus remains the same: creating probiotic formulations grounded in evidence, crafted withprecision, and respected for their consistency - not driven by trends, but by trust earned throughexperience.
FAQS
What is VSL#3^?
What is VSL#3^?
VSL#3^ is an ultra-high-potency probiotic medical food intended for the dietarymanagement of irritable bowel syndrome (IBS), ulcerative colitis (UC), and an ileal pouch(pouchitis).
How should I store VSL#3^?
How should I store VSL#3^?
VSL#3^ should be stored under refrigeration at 36-46°F (2-8°C) to preserve potency. Itcan remain at room temperature for up to 2 weeks without reducing effectiveness.
What is a Medical Food?
What is a Medical Food?
Medical foods are formulated for the dietary management of diseases or conditions withdistinctive nutritional needs that cannot be met by diet alone. Unlike dietarysupplements, medical foods are intended for use under a healthcare provider'ssupervision.
How does VSL#3^ compare to a Low FODMAP diet for IBSmanagement?
How does VSL#3^ compare to a Low FODMAP diet for IBSmanagement?
In a 2021 clinical study, VSL#3^ demonstrated dietary management outcomes in peoplewith IBS comparable to those achieved with a low FODMAP diet - a commonlyrecommended but restrictive approach. Because VSL#3^ is certified FODMAP Friendly, itcan also be used alongside a low FODMAP diet for flexible dietary management.