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December 8, 2025Clinical NutritionOpen Access

Brain-gut interaction for holistic regulation: Transcutaneous auricular vagus nerve stimulation in modulating glucose and lipid metabolic disorders

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Key result

taVNS reduces food intake and enhances energy expenditure in metabolic disorders via brain-gut coordination.

Why the study?

The dynamic mechanisms by which transcutaneous auricular vagus nerve stimulation maintains metabolic homeostasis through the gut-brain axis remain elusive.

Does transcutaneous auricular vagus nerve stimulation (taVNS) improve glucose and lipid metabolic disorders?

Population

Patients with glucose and lipid metabolic disorders including obesity and type 2 diabetes

Comparison

Transcutaneous auricular vagus nerve stimulation vs no stimulation or standard care

Design

Review

Authors

NZNingyi ZouPZPeijuan ZhouQZQing Zhou

Discussion

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Member takes

Overview

Vagal modulation may merit exploration in metabolic disorders; leaves open clinical efficacy of transcutaneous auricular approaches.

Structured PICO

Does transcutaneous auricular vagus nerve stimulation (taVNS) improve glucose and lipid metabolic disorders?

P
Population
Patients with glucose and lipid metabolic disorders, including obesity and type 2 diabetes
I
Intervention
Transcutaneous auricular vagus nerve stimulation (taVNS)

Transcutaneous auricular vagus nerve stimulation (taVNS) represents a promising non-pharmacological strategy for managing metabolic disorders like obesity and type 2 diabetes via the gut-brain axis.

Limitations

  • The dynamic mechanisms by which taVNS maintains homeostatic balance through the gut-brain axis, as well as its novel targets, mediators, and pathways, remain elusive.

Cite This Study

Zou et al. (2025) conducted a review in Glucose and lipid metabolic disorders. Transcutaneous auricular vagus nerve stimulation (taVNS) was evaluated. Transcutaneous auricular vagus nerve stimulation (taVNS) modulates autonomic function via brain-gut coordination to reduce food intake and enhance energy expenditure in metabolic disorders.

synapsesocial.com/papers/6aace4b606841c4595f2233fhttps://doi.org/10.1016/j.clnu.2025.12.003
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Vagus nerve stimulation increases stomach-brain coupling via a vagal afferent pathway2021 · 7 citations
  2. 2Non-invasive stimulation of vagal afferents reduces gastric frequency2019 · 71 citations
  3. 3No modulation of postprandial metabolism by transcutaneous auricular vagus nerve stimulation: a cross-over study in 15 healthy men2020 · 25 citations
  4. 4Investigating the Microbiota-Gut-Brain Axis Mechanisms of Transcutaneous Auricular Vagus Nerve Stimulation in Patients with Obesity: A Study Protocol for a Randomized Controlled Trial2025 · 1 citations
  5. 5Transcutaneous vagus nerve stimulation: a new strategy for Alzheimer’s disease intervention through the brain-gut-microbiota axis?2024 · 17 citations