Microbiome modulation as a therapeutic strategy for alcohol-induced gut dysbiosis and associated disorders

Oct 29, 2025Antonie van Leeuwenhoek

Using gut bacteria changes to treat alcohol-related gut imbalance and related health problems

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Abstract

Chronic alcohol consumption alters gut microbiota composition, leading to dysbiosis and systemic inflammation.

Dysbiosis and increased intestinal permeability are associated with the development of alcohol-related disorders.
These disorders include hepatic disease, metabolic abnormalities, immune dysfunction, and neuropsychiatric conditions.
Alcohol disrupts the gut-liver axis and the balance of microbial metabolites, contributing to leaky gut syndrome.
The gut-brain axis is also impaired, which may exacerbate addiction and cognitive deficits.
Various therapeutic strategies, including probiotics and dietary changes, may help restore microbial balance and mitigate damage.
Innovative treatments such as paraprobiotics and bacteriophage therapy may offer new options for microbiome modulation.

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Chronic alcohol consumption alters the composition of the gut microbiota, leading to dysbiosis, increased intestinal permeability, and systemic inflammation, which collectively contribute significantly to the pathogenesis of alcohol-related disorders, encompassing hepatic disease, metabolic abnormalities, immune dysfunction, and neuropsychiatric conditions. The complex interactions of alcohol with the gut ecosystem illuminate the fundamental mechanisms that result in the disruption of the gut-liver axis, the imbalance of microbial metabolites, and the emergence of leaky gut syndrome. The bidirectional gut-brain axis is similarly impaired, intensifying concerns related to addiction and cognitive deficits. Therapeutic strategies, encompassing probiotics, prebiotics, synbiotics, postbiotics, dietary alterations, and fecal microbiota transplantation, offer promising modalities for reinstating microbial balance and alleviating alcohol-induced damage. Cutting-edge treatments such as paraprobiotics and bacteriophage therapy further highlight the potential of microbiome modulation as a viable therapeutic strategy. This review underscores the urgent need for precision-targeted, microbiota-based interventions and calls for expanded clinical research to translate these insights into effective treatments for alcohol-associated disorders.

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Microbiome modulation as a therapeutic strategy for alcohol-induced gut dysbiosis and associated disorders

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