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Lactobacillus rhamnosus W71

Also known as: Lactobacillus rhamnosus W71, Probiotic bacteria

Overview

*Lactobacillus rhamnosus* W71 is a strain of lactic acid bacteria belonging to the *Lactobacillus rhamnosus* species, commonly found in fermented foods and the human gut. It is utilized as a probiotic to promote gastrointestinal health, support the immune system, and potentially address urogenital infections. While the *L. rhamnosus* species, particularly the GG strain, is well-researched for its adhesion properties and health benefits, specific studies on the W71 strain are limited. As a probiotic, it is available in various forms, including capsules and powders, and is generally considered safe for consumption. Its efficacy is linked to its ability to colonize the gut and interact with the host's immune system. Further research is needed to fully understand the specific benefits and mechanisms of action of the W71 strain.

Benefits

While direct research on *Lactobacillus rhamnosus* W71 is limited, *L. rhamnosus* strains are generally recognized for their potential in preventing antibiotic-associated diarrhea and supporting overall gut health. The *L. rhamnosus* GG strain, for example, has demonstrated significant benefits in preventing antibiotic-associated diarrhea. Other potential benefits associated with *L. rhamnosus* strains include immune system modulation and support for urogenital health, though these are more commonly linked to strains like GR-1. The benefits of *L. rhamnosus* are typically observed within a few weeks of consistent use, making it a valuable addition to a balanced diet and healthy lifestyle. However, it's important to note that specific effect sizes for the W71 strain are not well-documented.

How it works

*Lactobacillus rhamnosus* W71, like other probiotics, primarily functions by colonizing the gut, thereby enhancing the gut barrier function and modulating the immune system. This interaction primarily occurs within the gastrointestinal system but can also influence systemic immunity. A key mechanism involves adhesion to intestinal epithelial cells, although specific molecular targets for the W71 strain are not extensively documented. Unlike nutrients, probiotics are not absorbed; instead, they establish colonies within the gut, contributing to a balanced gut microbiota. This colonization aids in maintaining a healthy digestive environment and supporting the body's natural defenses.

Side effects

*Lactobacillus rhamnosus* W71 is generally considered safe for most individuals. Common side effects are typically mild and may include gastrointestinal symptoms such as bloating or gas. Uncommon side effects involve the potential for infections in immunocompromised individuals. In rare cases, bacteremia, a serious bloodstream infection, has been reported. Caution is advised when using probiotics with immunosuppressants due to potential interactions. *L. rhamnosus* is contraindicated for individuals with severely compromised immune systems unless under strict medical supervision. Pregnant or breastfeeding women should consult a healthcare provider before using this probiotic. Overall, the safety profile is favorable, but awareness of potential risks is essential, especially for vulnerable populations.

Dosage

The typical dosage for *Lactobacillus rhamnosus* strains, including W71, ranges from 1 to 10 billion CFU (colony-forming units) per day. Doses up to 20 billion CFU per day are generally considered safe. It is often recommended to take probiotics with food to enhance their survival through the stomach's acidic environment. Capsules and powders are common forms of delivery. Since probiotics colonize rather than being absorbed, there are no specific absorption factors to consider. No specific cofactors are required for their function. While these guidelines provide a general framework, individual needs may vary, and consulting a healthcare provider is advisable for personalized recommendations.

FAQs

How should I store *Lactobacillus rhamnosus* W71?

Store probiotics in a cool, dry place to maintain their viability. Avoid exposure to heat and moisture, which can reduce the number of live bacteria.

Is *Lactobacillus rhamnosus* W71 safe for everyone?

Generally safe, but immunocompromised individuals should consult a healthcare provider before use. Mild gastrointestinal symptoms like bloating or gas may occur.

When is the best time to take *Lactobacillus rhamnosus* W71?

Take with food to enhance survival through the stomach. Consistent daily use is recommended for optimal benefits.

How long before I see results from taking *Lactobacillus rhamnosus* W71?

Benefits may be noticeable within a few weeks of consistent use. Individual results may vary based on factors like diet and overall health.

Can *Lactobacillus rhamnosus* W71 cure my gut issues?

Probiotics are not a cure-all and should be used under medical guidance for specific conditions. They can support gut health but are most effective as part of a comprehensive approach.

Research Sources

https://pubmed.ncbi.nlm.nih.gov/26365389/ – This meta-analysis indicates that *Lactobacillus rhamnosus* GG is effective in preventing antibiotic-associated diarrhea in both children and adults. The study provides strong evidence for the use of this specific strain in mitigating the adverse effects of antibiotics on the gut microbiome, highlighting its potential as a valuable probiotic intervention.
https://www.worldgastroenterology.org/UserFiles/file/guidelines/probiotics-and-prebiotics-english-2023.pdf – The World Gastroenterology Organisation emphasizes that probiotics like *L. rhamnosus* exhibit strain-specific effects and are utilized for various gastrointestinal conditions. This guideline underscores the importance of selecting the appropriate probiotic strain for specific health outcomes, as different strains can have varying impacts on gut health and overall well-being.
https://en.wikipedia.org/wiki/Lacticaseibacillus_rhamnosus – This Wikipedia article provides general information on *Lacticaseibacillus rhamnosus*, including its characteristics and uses. It serves as a basic reference for understanding the species but lacks specific details on the W71 strain.
https://www.mdpi.com/2072-6643/16/14/2243 – This study investigates the effects of *L. rhamnosus* supplementation on gut microbiota composition in elderly subjects. While the study found changes in gut microbiota, the specific effects were limited by the study design, indicating the need for further research to fully understand the potential benefits in this population.
https://pubmed.ncbi.nlm.nih.gov/38731665/ – This study investigates the impact of *L. rhamnosus* on the gut microbiota and metabolic health of mice fed a high-fat diet. The findings suggest that *L. rhamnosus* supplementation can modulate the gut microbiota and improve metabolic parameters, offering insights into its potential role in managing obesity-related metabolic disorders.