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10 Best lactobacillus reuteri dsm 17938

Welcome to our top 10 product reviews for lactobacillus reuteri dsm 17938. We've scoured the market to bring you the best of the best, with products ranging from a 7.1 score up to a whopping 9.8 score!

Updated January 2026
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1
BioGaia Gastrus Pure Probiotics for Gut Health | Dual Strain Patented L. reuteri | Certified FODMAP Friendly for Sensitive Stomachs | No Artificial Sweenters | 60 Capsules
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9.8
Exceptional

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BioGaia Gastrus Pure Probiotics for Gut Health | Dual Strain Patented L. reuteri | Certified FODMAP Friendly for Sensitive Stomachs | No Artificial Sweenters | 60 Capsules

Main Highlights

FODMAP FRIENDLY CERTIFIED – Gastrus Pure is specially crafted for those following low-FODMAP or sensitive-digestive routines, offering a gentle daily probiotic option that fits easily into specialised diets without discomfort.

CLEAN PROBIOTICS – Formulated without artificial sweeteners, flavours, colours, or unnecessary fillers, giving you a pure, high-quality probiotic you can feel confident adding to your wellness routine

Lactobacillus reuteri – THE WORLD’S MOST RESEARCHED PROBIOTIC*: BioGaia has been at the forefront of probiotic and microbiome research for 30+ years. BioGaia’s L. reuteri strains are among the most extensively scientifically studied. *According to number of articles, PubMed Apr 2025.

DUAL-STRAIN, SCIENCE-DRIVEN SUPPORT – Gastrus Pure Combines two scientifically studied probiotic strains (L. reuteri DSM 17938 and L. reuteri ATCC PTA 6475) chosen for their complementary synergy, supporting everyday comfort.

HIGH-CONCENTRATION PROBIOTIC DOSE – Delivers millions of friendly bacteria in every capsule, designed for those seeking a research-backed daily probiotic option.

SENSITIVE STOMACH–FOCUSED – Thoughtfully developed for individuals who require a gentler approach to digestive wellness, offering support without sweeteners.

SMALL, EASY-TO-SWALLOW CAPSULES – Features a vegan capsule that makes daily use simple, convenient, and ideal for those who prefer a low-effort routine.

BACKED BY 30+ YEARS OF RESEARCH – Developed by a global leader with decades of probiotic expertise, ensuring quality, consistency, and science-cantered formulation.

QUALITY ASSURANCE YOU CAN TRUST – All BioGaia products are verified with SelectBiotics a new standard in premium probiotics you can truly trust. With 30+ years of research, our products are rigorously tested. With SelectBiotics you gain peace of mind that the probiotics listed on the label are live and viable — right through to expiry, no refrigeration needed.

SUPPORT FOR EVERYDAY DIGESTIVE MAINTENAINCE – Designed to complement a mindful lifestyle by helping maintain a smooth, consistent digestive rhythm as part of daily self-care.

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9.8
Exceptional
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2
New: Pylopass™ - Lactobacillus Reuteri DSM 17648-120 Capsules - 200 Billion CFU/g - Supports Elimination of Bad Bacteria in Stomach & Gut - Clinically Verified - UK Made - GMP - No Additives
9.6
Excellent

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New: Pylopass™ - Lactobacillus Reuteri DSM 17648-120 Capsules - 200 Billion CFU/g - Supports Elimination of Bad Bacteria in Stomach & Gut - Clinically Verified - UK Made - GMP - No Additives

Main Highlights

✔️CONTROLS HARMFUL FLORA. Pylopass is a patented and clinically verified strain of L. reuteri (DSM 17648) and serves as a natural solution for controlling levels of unwanted flora. Pylopass is highly targetted only binding to an eliminating the specific harmful flora while leaving good bacteria intact.

✔️CLINICALLY STUDIED EFFICACY, STABLE AT ROOM TEMPERATURE. Pylopass has demonstrated positive results in clinical research, in one study a 2 week course of 200mg Pylopass daily resulted in a 16% reduction in detectable levels of harmful flora compared to the placebo group where there was no statistically significant difference.

✔️100% VEGAN WITH NO FILLERS, BINDERS OR ADDITIVES. At Time Health we believe in clean nutrition which is why you won't find any nasty stuff in our products including any binders, fillers or additives, unlike some of our competitors.

✔️UK MADE TO GMP STANDARDS. At Time Health we believe in clean nutrition which is why you won't find any nasty stuff in our products including any binders, fillers or additives, unlike some of our competitors.

✔️OVER 83,000 TREES PLANTED AND COUNTING. We are proud supporters of Ecologi’s reforestation projects and plant a tree with every single order!

Please note: packaging may vary.

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9.6
Excellent
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4
BioGaia Gastrus Probiotics for Gut Health | Bacterial Cultures with L. Reuteri to Balance Gut Flora | Dual Strains of Patented Lactobacillus Reuteri | 30 Chewable Supplement Tablets - Mandarin Flavour
9.2
Very Good

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BioGaia Gastrus Probiotics for Gut Health | Bacterial Cultures with L. Reuteri to Balance Gut Flora | Dual Strains of Patented Lactobacillus Reuteri | 30 Chewable Supplement Tablets - Mandarin Flavour

Main Highlights

THE WORLD’S MOST RESEARCHED PROBIOTIC*: BioGaia has been at the forefront of probiotic and microbiome research for around 35 years. BioGaia’s L. reuteri strains are among the most extensively studied in both preclinical and clinical research. Over 250 clinical studies have been conducted involving more than 22,000 individuals of various ages. *According to the number of published articles on Pubmed (July 2021).

PATENTED BACTERIAL CULTURES L. REUTERI: Each chewable BioGaia Gastrus probiotic tablet contains two patented bacterial strains of lactobacillus reuteri, a minimum of 200 million live bacteria in each tablet clinically proven to reach the gut alive. SUITABLE ALONGSIDE MEDICATION FOR H.PYLORI, IBS: BioGaia Gastrus with l.reuteri may be combined with medication for gastrointestinal issues. If you are taking any medications or have any medical conditions, always consult a medical professional before starting supplementation.

WE UNLOCK THE POTENTIAL OF YOUR GUT MICROBIOME: Lactobacillus reuteri is a remarkable species of bacteria with deep evolutionary roots. Over millions of years, humans and our ancestors have co-evolved with specific strains of L. reuteri. These microorganisms are present in the intestine, collectively called the gut microbiota, are essential to health. Unfortunately, modern lifestyles have largely eradicated L. reuteri from the human microbiota. By reintroducing L. reuteri through probiotic solutions, restoring this critical bacterial culture helps unlock the potential of your gut flora, creating pathways for maintaining optimal health.

BioGaia UK Limited Unit 5, Albert Edward House Preston, PR2 2YB United Kingdom

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9.2
Very Good
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5
New: High Strength Lactobacillus Reuteri Probiotic – 6 Billion CFU – 90 Capsules – Advanced Shelf Stable L Reuteri – Research-Backed Strain – Vegan – GMP – UK Made Supplement
9.1
Very Good

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New: High Strength Lactobacillus Reuteri Probiotic – 6 Billion CFU – 90 Capsules – Advanced Shelf Stable L Reuteri – Research-Backed Strain – Vegan – GMP – UK Made Supplement

Main Highlights

✔️HIGH STRENGTH 6 BILLION CFU PER CAPSULE. Each capsule contains a market-leading 6 billion CFU of L. reuteri probiotic, this results in higher levels of the beneficial bacterial cultures colonising the gut for maximum benefits.

✔️CLINICALLY STUDIED GL-104 STRAIN FOR DIGESTIVE, IMMUNE, GLUCOSE, ORAL & ALLERGY SUPPORT. Lactobacillus reuteri provides powerful support for the digestive system by protecting the gut barrier, reducing inflammation, regulating the gut microbiota and its metabolism, and inhibiting oxidative stress. In addition, L. reuteri GL-104 has demostrated impressive benefits for immunity, glucose management, oral care, liver health and allergy relief.

✔️ADVANCED SHELF STABLE PROBIOTIC, ADDED PREBIOTIC ALFALFA. Our advanced L. reuteri product is micro-encapsulated meaning it is completely safe and stable when stored at room temperatures. In addition to L. reuteri, we have included prebiotic alfalfa which feeds good bacteria in the gut, promoting a robust microbiome.

✔️CAN BE USED FOR HOME-MADE YOGURT. Our L. reuteri is suitable for those looking to make yogurt.

✔️100% VEGAN WITH ZERO ADDITIVES, MADE TO GMP STANDARDS. We believe in clean nutrition which is why you won't find any nasty stuff in our products such as fillers, binders and flow agents. Our L. reuteri is manufactured in the UK to GMP quality assurance with only the finest quality raw materials.

✔️87,000 TREES PLANTED AND COUNTING. We are proud supporters of Ecologi’s reforestation projects and plant a tree with every single order!

Please note: packaging may vary.

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9.1
Very Good
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Hours Researched

Why Trust One Clear Winner?

One Clear Winner spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own.

About One Clear Winner

How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

Learn more about testing

51

Products Considered

62

Consumers Consulted

24

Hours Researched