Evidence supporting the use of: Bifidobacterium animalis lactis
For the health condition: Allergies (food)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Bifidobacterium animalis subsp. lactis has been investigated for its potential to support or treat food allergies, with some scientific studies exploring its effects. The rationale is based on the role of gut microbiota in modulating immune responses, and the observed association between dysbiosis (an imbalance in gut flora) and the development of allergic diseases, including food allergies. Animal models and limited human studies suggest that certain probiotic strains, including B. animalis lactis, may help modulate immune function, strengthen the intestinal barrier, and promote tolerance to dietary antigens.

For example, a few randomized controlled trials in infants have examined the use of B. animalis lactis (often in combination with other probiotics or prebiotics) for the prevention of atopic dermatitis, cow's milk allergy, or other allergic outcomes. Some studies have shown modest risk reduction, while others did not find significant benefit. The evidence is mixed and limited in scope, with heterogeneity in study designs, populations, and probiotic formulations. Reviews and meta-analyses generally conclude that while probiotics may have a role in allergy prevention or management, the overall quality of evidence is low to moderate, and strain-specific effects are not well established for B. animalis lactis in food allergies specifically.

In summary, the use of B. animalis lactis for food allergies is based on plausible mechanisms and some preliminary data, but robust clinical evidence is lacking. Therefore, the evidence rating is 2 out of 5.

More about Bifidobacterium animalis lactis
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