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Limosilactobacillus reuteri

Meet BioGaia®'s Limosilactobacillus reuteri strains - among the world's most clinically researched probiotics, trusted for every stage of life.

Limosilactobacillus reuteri: A probiotic strain grounded in human evolution

Limosilactobacillus reuteri is a unique species of bacteria that is grounded in evolution. Over millions of years, it naturally inhabits the gastrointestinal tract (GI) and is passed down from generation to generation. Thanks to this close connection, it may contribute to support your microbiomes.

It is said that babies first get in contact with L. reuteri during birth and breastfeeding. It’s one of the first valuable bacteria to settle in their gut. From the very beginning, L. reuteri plays a key role in helping us digest food and build a healthy microbiome for life.

Illustration of a probiotic bacterium connected to a network of yellow dots, symbolizing its interaction within a system. Illustration of a probiotic bacterium connected to a network of yellow dots, symbolizing its interaction within a system.

Why is Limosilactobacillus reuteri so special?

Not all probiotic strains work the same – it’s their specific properties that make the difference.

Let's have a closer look at a specific strain Limosilactobacillus reuteri Protectis® (DSM 17938). What are unique properties of Limosilactobacillus reuteri Protectis® - one of the world's most studied probiotic:
  Of human origin
  Survives the acidic environment of the stomach
  Temporarily colonizes the entire gut
  Effectively supplements the microbiota
  Safe for everyone, even the most vulnerable
 

Safety first – BioGaia® and L. reuteri Protectis®

Is L. reuteri Protectis® safe? In one word: yes.
L. reuteri Protectis® is considered safe because it:
 Co-evolved with humans, naturally present in the body
 Is clearly classified and strain-specific
•  Is manufactured under strict quality controls
 Has proven safety in the intended population
 Contains no toxins or transferable antibiotic resistance

Thanks to decades of research and high standards, it’s trusted by healthcare professionals and families worldwide.

Learn more about clinical studies

Illustration of a probiotic bacterium with dosage indicators, symbolizing the measurement of probiotic doses Illustration of a probiotic bacterium with dosage indicators, symbolizing the measurement of probiotic doses

Proven and trusted by millions

More than 100 million units sold – and not a single reported side effect.

While clinical trials have confirmed the safety of BioGaia® products — even at doses higher than those used in our formulations — real-world experience is just as powerful.
Since 2004, over 100 million units of L. reuteri Protectis® drops have been sold globally. With zero reported side effects, it’s one of the most trusted probiotics available.
BioGaia® products are recommended by pediatricians and loved by parents. When it comes to gut health, families around the world choose BioGaia® for its proven safety and effectiveness.
 

Trusted by paediatricians - recommended by parents. 

Why daily intake of L. reuteri matters

Although L. reuteri has co-evolved with humans since the beginning of time, it is now naturally present in very low numbers or absent in the body due to the effects of modern lifestyles (low-fibre diet, stress, use of antibiotics and environmental factors). Luckily, L. reuteri can be reintroduced through BioGaia®'s probiotics.

A daily intake of probiotics is necessary because these beneficial bacteria are naturally expelled from the body within a week or two. Regular consumption ensures that you maintain an adequate level of L. reuteri in your gut.

 

A strain-specific example of probiotic quality

L. reuteri is central to BioGaia®’s probiotic heritage and reflects why strain specificity matters. BioGaia® works with specific bacterial strains, not only general probiotic species, because each strain has its own identity, research background and quality requirements.

This makes L. reuteri a clear example of the EvidenceBiotics® approach: focusing on the exact strain, the scientific research behind it and the quality standards that help support consistency from production to the final dose.

To learn more about how BioGaia® defines probiotic quality across its products, explore EvidenceBiotics®.

Learn about EvidenceBiotics®
Gut Health & Immunity

Gut Health & Immunity

Along with oxygen, food is vital to human life. It is up to our digestive system to extracts the nutrients we need from it, which is not always an easy job. In our gut, there is a constant battle between good and bad bacteria.

The importance of bacteria

The importance of bacteria

Probiotics are good bacteria that promote a healthy gut. When in balance, the good bacteria defend our bodies against harmful bacteria. But sometimes they need support to thrive.

What are Probiotics

What are Probiotics

“Probiotics” is a general term for live microorganisms that are beneficial for the body – some even call them “friendly” bacteria. Read on for more info on these little helpers.