Bifidobacterium animalis subsp. lactis Strains in Digestive Health

Background Benefits BB-12 B420 BB-12 vs. B420 Digestive Applications FAQs Resources

Digestive health is a cornerstone of overall well-being, influencing not just nutrient absorption, but immune function and even mental health. The gut is home to a vast microbiota, a complex community of microorganisms, which plays a crucial role in digestion, metabolism, and protection against harmful pathogens. Among these microorganisms, probiotics—live biotherapeutics—have gained significant attention for their ability to support digestive health and maintain the balance of gut flora.

Bifidobacterium animalis subsp. lactis, a strain of probiotics, has been at the forefront of research and application for gut health. Recognized for its ability to enhance digestive function and support the microbiota, this strain is a common feature in probiotic formulations. This article delves into the benefits of B. animalis subsp. lactis strains, particularly BB-12 and B420, which are frequently utilized in digestive health products.

What is B. animalis subsp. lactis?

Definition and Characteristics

B. animalis subsp. lactis is a subspecies of B. animalis, a Gram-positive, anaerobic bacterium naturally present in the human gut. It is one of the most extensively studied probiotic strains due to its ability to thrive in the human digestive tract, particularly in the large intestine. This strain is part of the Bifidobacterium genus, which is characterized by its beneficial effects on gut health, especially in the maintenance of a balanced gut microbiome.

B. animalis subsp. lactis strains are known for their resilience under acidic conditions, which allows them to survive the harsh environment of the gastrointestinal tract. Once ingested, they can colonize the intestines, where they exert their beneficial effects on digestion and overall gut health.

Role in Gut Microbiota and Health

B. animalis subsp. lactis plays a pivotal role in maintaining a healthy gut microbiota. By interacting with other microorganisms, it helps to maintain the balance between beneficial bacteria and pathogenic microbes. It also contributes to the fermentation of dietary fibers, producing short-chain fatty acids (SCFAs) such as acetate and butyrate, which support gut health by providing energy to colonic cells, reducing inflammation, and promoting a healthy gut barrier.

Health Benefits of B. animalis subsp. lactis Strains

Reduction in Gastrointestinal Disorders

The strain is also known for its effectiveness in managing gastrointestinal disorders such as diarrhea and IBS. Studies have demonstrated that B. animalis subsp. lactis can reduce the frequency and severity of diarrhea episodes by enhancing intestinal barrier function and reducing inflammation in the gut. In individuals with IBS, the strain can alleviate symptoms like abdominal pain, bloating, and irregular bowel movements.

Enhanced Digestive System Function and Motility

B. animalis subsp. lactis has been shown to improve gut motility, particularly in individuals suffering from constipation. By promoting the movement of food and waste through the intestines, it helps to prevent the discomfort associated with sluggish digestion. Regular use of this probiotic strain can lead to improved bowel regularity, reduced bloating, and overall digestive comfort.

Improved Gut Flora Balance

One of the primary benefits of B. animalis subsp. lactis is its ability to maintain a healthy balance of gut flora. An imbalanced microbiome can lead to various digestive issues such as bloating, discomfort, and irregular bowel movements. By increasing the population of beneficial bacteria, B. animalis subsp. lactis helps to suppress the growth of harmful microorganisms, thereby improving gut flora diversity, and is essential for the stability of gur flora.

General Benefits for Digestive Health

The consumption of B. animalis subsp. lactis has been shown to confer several benefits for digestive health. This probiotic strain supports the overall function of the gastrointestinal system by enhancing gut motility, promoting regular bowel movements, and improving nutrient absorption. These effects contribute to the general well-being of the digestive system, reducing the risk of constipation and enhancing the efficiency of digestion.

B. animalis subsp. lactis BB-12

Specific Benefits of BB-12 in Digestive Health

BB-12, one of the most well-researched strains of B. animalis subsp. lactis, is renowned for its ability to improve gut health. This strain is particularly beneficial for supporting the intestinal microbiota, promoting regularity, and improving immune function within the digestive tract.

Fig. 1 Colony and cells of B. animalis subsp. lactis.. (Creative Biolabs Authorized)Fig.1 The BB-12 genome atlas.1

Mechanisms of Action

BB-12 works through several mechanisms, primarily by enhancing the growth of beneficial gut bacteria and inhibiting the proliferation of harmful pathogens. It also supports the integrity of the intestinal barrier, helping to prevent leaky gut syndrome, a condition where the gut lining becomes compromised, allowing harmful substances to pass into the bloodstream. Furthermore, BB-12 can stimulate the production of SCFAs, which contribute to the nourishment of intestinal cells and the reduction of inflammation in the digestive tract.

Research Studies Supporting Its Effectiveness

Numerous studies have validated the digestive health benefits of BB-12. Research has shown that this strain helps to reduce the symptoms of IBS , including bloating, discomfort, and irregular bowel movements. It has also been found to improve overall gut microbiota composition, increasing the abundance of beneficial bacteria while suppressing the growth of harmful pathogens. Furthermore, BB-12 has been shown to improve immune function within the gut, which is crucial for preventing infections and maintaining digestive health.

Potential Applications for Digestive Issues like IBS

BB-12 has been particularly effective for individuals suffering from IBS, a condition characterized by chronic digestive symptoms such as abdominal pain, bloating, and irregular bowel movements. Studies have demonstrated that BB-12 can reduce the severity of these symptoms and improve overall gut function. It is commonly included in probiotic supplements aimed at supporting digestive health, particularly for those with IBS or other gastrointestinal disorders.

B. animalis subsp. lactis B420

Health Benefits and Mechanisms of B420

The B420 strain of B. animalis subsp. lactis is another well-regarded probiotic with specific benefits for gut health. This strain is particularly known for its role in enhancing gut barrier function and immune response.

B420 has been shown to reduce gastrointestinal discomfort by improving gut motility, balancing the gut microbiota, and reducing inflammation in the digestive tract. It also plays a significant role in maintaining the integrity of the gut lining, which helps to prevent leaky gut and promotes a healthy intestinal barrier.

Unique Properties of B420 Strain in Gut Health

What sets B420 apart from other strains is its ability to modulate the immune system within the gut. This strain can increase the production of regulatory T cells, which help to maintain immune tolerance and prevent excessive inflammation. Additionally, B420 has been shown to improve the gut's ability to respond to infections, making it a valuable strain for supporting gut health in the long term.

Research Evidence for Its Use in Gut Health Maintenance

Studies have demonstrated that B420 is effective in maintaining a healthy gut microbiota and preventing gastrointestinal disturbances. Research has shown that it can help to improve gut barrier function, enhance immune responses, and support overall digestive health. Furthermore, B420 has been found to alleviate symptoms of gastrointestinal disorders such as constipation and IBS.

Comparing Different Strains: BB-12 vs. B420

A Comparative Analysis of BB-12 and B420 for Digestive Health Support

While both BB-12 and B420 offer significant benefits for digestive health, they do so in slightly different ways. BB-12 is particularly beneficial for improving gut motility, reducing symptoms of IBS, and enhancing gut microbiota balance. It is widely used for managing digestive discomfort, irregular bowel movements, and bloating.

On the other hand, B420 excels in enhancing the gut's immune function and improving gut barrier integrity. This strain is ideal for individuals seeking long-term gut health maintenance and protection against gastrointestinal infections.

Which Strain Might Be More Suitable for Specific Digestive Health Concerns?

For individuals with chronic digestive issues such as IBS or constipation, BB-12 may be the better choice due to its direct impact on gut motility and microbiota balance. For those looking to enhance their gut's immune function and prevent gastrointestinal infections, B420 may be more appropriate due to its ability to modulate immune responses and strengthen the gut barrier. Creative Biolabs offers a range of B. animalis subsp. lactis products for research use, providing scientists with valuable tools to explore the potential health benefits and mechanisms of these probiotic strains.

CAT# Product Name Description
LBST-053FG Bifidobacterium animalis subsp. lactis; 700541 B. animalis subsp. lactis was isolated from yogurt.
LBST-054FG Bifidobacterium animalis B. animalis is a Gram-positive, anaerobic, rod-shaped bacterium of the Bifidobacterium genus which can be found in the large intestines of most mammals, including humans.
LBP-006CYG Bifidobacterium animalis Powder Freeze-dried B. animali powder
LBP-003FG Bifidobacterium animalis subsp. lactis Powder Freeze-dried B. animalis subsp. lactis Powder
LBGF-0722-GF9 Bifidobacterium animalis subsp. animalis A Gram-positive, anaerobic, rod-shaped bacterium of the Bifidobacterium genus which can be found in the large intestines of most mammals, including humans.
LBGF-0722-GF64 Bifidobacterium animalis subsp. lactis 420 Known for its immunoregulatory properties and improving intestinal epithelial integrity in mice models, has been given to humans in earlier clinical trials.

B. animalis in Digestive Health

B. animalis probiotics, including both BB-12 and B420, contribute significantly to overall digestive health. These strains help to maintain a healthy balance of gut bacteria, promote regular bowel movements, and reduce inflammation in the digestive tract.

They also play a crucial role in modulating the gut's immune function, reducing the risk of infections and supporting the body's natural defense mechanisms. Moreover, these probiotics can synergize with other beneficial microorganisms and prebiotics, enhancing their overall effectiveness in supporting digestive health.

Applications of B. animalis in Probiotics

B. animalis strains, such as BB-12 and B420, are commonly included in a variety of probiotic products designed to support digestive health. These products include dietary supplements, functional foods, and beverages. Their inclusion in probiotic formulations aims to improve gut health by restoring the balance of gut microbiota, enhancing immune responses, and promoting regular bowel movements.

Products containing these strains are widely available for those seeking to enhance their digestive health or alleviate symptoms associated with gastrointestinal disorders. For researchers and developers interested in exploring the potential of these strains further, Creative Biolabs offers comprehensive analytical development and qualification services and lab-scale production services for live biotherapeutics and probiotics, providing a flexible platform for early-stage research and development.

FAQs

What are the mechanisms through which B. animalis affects immune modulation in the gut?

B. animalis strains enhance immune responses by stimulating regulatory T cells and balancing pro-inflammatory and anti-inflammatory cytokine levels, promoting immune tolerance within the gut.

How does B. animalis subsp. lactis influence the gut-brain axis?

B. animalis strains may modulate the gut-brain axis by producing metabolites like SCFAs, influencing neuroinflammatory pathways and impacting mood and cognitive functions, which warrants further investigation.

Resources

References

  1. Bozkurt, K., et al. "Charge Transport in Bifidobacterium animalis subsp. lactis BB-12 under the various Atmosphere." arXiv preprint arXiv:1901.10765 (2019).
  2. Distributed Under Open Access license CC BY 4.0, without modification.

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