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Capsaicin as a Microbiome Modulator: Metabolic Interactions and Implications for Host Health
Iván Artemio Corral-Guerrero1, Angela Elena Martínez-Medina1, Litzy Yazmin Alvarado-Mata1
1Laboratorio de Biorremediación, Facultad de Ciencias Biológicas, Universidad Autónoma de Coahuila, Torreón 27000, Mexico.
Metabolites
|June 25, 2025
Summary
Capsaicin, found in chili peppers, impacts metabolism and neuroprotection by interacting with host enzymes and gut microbes. Understanding its complex biotransformation is key for safe health applications.
Area of Science:
- Pharmacology
- Microbiology
- Nutritional Science
Background:
- Capsaicin, a phytochemical in chili peppers, exhibits diverse systemic effects beyond sensory properties.
- It is recognized for roles in metabolic regulation, neuroprotection, and inflammation control.
Purpose of the Study:
- To synthesize capsaicin's metabolism, gut microbiome interactions, and physiological effects.
- To provide an integrative review of its fate and function across organ systems.
Main Methods:
- Critical literature review of in vivo and in vitro studies.
- Thematic analysis of capsaicin's metabolic fate, host-microbial biotransformation, tissue distribution, and molecular pathways.
Main Results:
- Capsaicin undergoes extensive hepatic metabolism, yielding bioactive metabolites.
- It crosses the blood-brain barrier and influences neurotransmitters.
- Capsaicin modulates gut microbiota, promoting beneficial bacteria and impacting health outcomes.
- Dose-dependent adverse effects like epithelial damage were noted.
Conclusions:
- Capsaicin's systemic impact results from host metabolism and gut microbiota interplay.
- Further research into its biotransformation and context-specific effects is crucial.
- This knowledge is vital for optimizing capsaicin's use in metabolic and neurological health strategies.
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