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Inflammation and Nutritional Modulation in Dogs

 

Evidence-based evaluation of how diet influences inflammation, immune regulation, and chronic disease processes in dogs, including gastrointestinal, dermatologic, and metabolic conditions.

Evidence Position Summary

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  • Diet is a key modulator of inflammation, influencing immune signaling, gut microbiota, and metabolic pathways.

  • Specific dietary patterns and ingredients (e.g., fatty acids, fibers, phytonutrients) can attenuate or exacerbate inflammatory responses.

  • Evidence supports dietary intervention as a cornerstone in managing chronic inflammatory conditions, particularly enteropathies and dermatologic disease.

  • Microbiome-mediated effects are central, linking nutrition to immune regulation and metabolite production.

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Evidence quality varies, with strong mechanistic support but fewer long-term controlled clinical trials in diverse canine populations.

What This Evidence Page Covers

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This page evaluates peer-reviewed evidence on the relationship between nutrition and inflammation in dogs, including immune modulation, interactions between the gut microbiome and inflammation, and clinical outcomes in inflammatory diseases.

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Focus areas include:

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  • Chronic enteropathy and gastrointestinal inflammation

  • Dermatologic and immune-mediated conditions

  • Metabolic inflammation and obesity-related pathways

  • Functional nutrients and anti-inflammatory dietary strategies

 

Evidence from the past 10–15 years is emphasized, with foundational mechanistic studies included where relevant.

Veterinary Diet Decision Framework for Dogs

A clinical resource from VetFarmacy’s Evidence Library

 

Inflammation-related nutrition research can be complex and highly variable across conditions.
This clinical resource explains how veterinarians evaluate dietary strategies targeting inflammation using scientific evidence—not marketing claims.

 

Download the professional framework used to assess:

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  • anti-inflammatory diet strategies

  • microbiome-targeted nutrition

  • chronic enteropathy diet selection

  • functional ingredients and nutraceuticals

  • diet safety and clinical applicability

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​Free evidence-based PDF • Created for veterinarians,

veterinary students, and science-minded pet owners

Evidence Breakdown

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Diet, Immune Function, and Inflammatory Signaling

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Gut Microbiome, Metabolites, and Inflammation

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  • Diet–microbiome interactions are central to inflammatory regulation in canine gastrointestinal disease (Rhimi et al., 2022)

  • Western-style diets are associated with dysbiosis, bile acid disruption, and intestinal inflammation (Mason et al., 2025)

  • Dietary interventions (fiber, synbiotics) can improve microbiome function and reduce inflammatory indices (Fritsch et al., 2022; Sahoo et al., 2022)

  • Raw vs extruded diets show differences in microbiota composition and inflammatory markers, though clinical relevance remains under investigation (Hiney et al., 2024)

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Chronic Enteropathy and Gastrointestinal Disease

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Dermatologic and Immune-Mediated Conditions

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Functional Ingredients and Anti-Inflammatory Nutrients

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  • Vitamins, minerals, and phytonutrients play key roles in immune modulation (Barroso et al., 2024)

  • Polyphenols such as grape seed proanthocyanidins improve intestinal inflammation via microbiome and bile acid regulation (Zhang et al., 2023)

  • Fatty acid supplementation (e.g., flaxseed, camelina oil) influences inflammatory and oxidative markers (Richards et al., 2023)

  • Ketogenic and low-carbohydrate diets may modulate immune responses, though evidence remains emerging (Tavener et al., 2024)

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Systemic Inflammation, Obesity, and Chronic Disease

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  • Obesity is strongly associated with chronic low-grade inflammation in dogs (Marchi et al., 2022)

  • Anti-inflammatory dietary patterns show promise in reducing systemic inflammatory burden (Yu et al., 2024)

  • Nutritional strategies targeting inflammation are increasingly relevant in chronic disease management and recovery (Wang et al., 2025)

Primary Literature Summary

  • Diet is a modifiable driver of inflammation through immune, metabolic, and microbiome pathways.

  • Strong evidence supports dietary intervention in chronic enteropathy and dermatologic disease.

  • Functional nutrients and bioactive compounds show targeted anti-inflammatory effects, though variability exists.

  • Microbiome-mediated mechanisms are central but remain an evolving area of research.

  • Long-term, large-scale clinical trials are still limited across many diet types and conditions.

Clinical Interpretation (Non-Prescriptive)

Current evidence supports nutrition as a critical component of inflammatory disease management in dogs, particularly in gastrointestinal and dermatologic conditions.

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However, responses vary based on:

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  • underlying disease mechanisms

  • individual microbiome composition

  • diet formulation and nutrient profile

 

Clinical decision-making should prioritize nutritional adequacy, safety, and evidence-based application, while carefully interpreting emerging research.

How Veterinarians Evaluate Anti-Inflammatory Diets

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Evidence on inflammation-modulating diets is complex and sometimes conflicting.
This clinical framework outlines how veterinarians interpret evidence and apply it to real-world cases.

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The framework helps answer questions such as:

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  • Which diets reduce inflammatory burden effectively?

  • What role does the microbiome play in diet response?

  • How are functional ingredients evaluated scientifically?

  • What distinguishes evidence-based anti-inflammatory diets from trends?

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Professional veterinary nutrition resource • Free download

Key Takeaways

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  • Nutrition plays a central role in modulating inflammation and immune function.

  • Gut microbiome interactions are a primary mechanism linking diet and inflammation.

  • Dietary therapy is foundational in chronic enteropathy and dermatologic disease management.

  • Functional nutrients show promise but require context-specific application.

  • Evidence remains heterogeneous, requiring critical evaluation and individualized approaches.

Scope & Limitations Notice

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This summary reflects current peer-reviewed literature and is subject to limitations in study design, population variability, and emerging evidence. Findings may not apply uniformly across all dogs or clinical conditions and are not a substitute for individualized veterinary care.

Reference

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  • Arifuzzaman, M., Collins, N., Guo, C., & Artis, D. (2024). Nutritional regulation of microbiota-derived metabolites: Implications for immunity and inflammation. Immunity, 57(1), 14–27. https://doi.org/10.1016/j.immuni.2023.12.009

  • Athreya, E., Rajesh, J., Yeragorla, S., Christen, C., Debbarma, J., Singh, A., Kumar, N., Kar, P., Chakraborty, M., Das, M., & Pappu, P. (2025). Nutritional management of canine during convalescence. Journal of Scientific Research and Reports. https://doi.org/10.9734/jsrr/2025/v31i83453

  • Badri, D., Panickar, K., & Tavener, S. (2024). Nutritional intervention alleviates signs of dermatological problems in dogs by modulating immune regulation and skin microbiome. Current Developments in Nutrition. https://doi.org/10.1016/j.cdnut.2024.103452

  • Badri, D., Jewell, D., & Panickar, K. (2019). Diet intervention alleviates pruritus by reducing intestinal inflammation to improve skin health in dogs. Current Developments in Nutrition, 3(Suppl 1). https://doi.org/10.1093/cdn/nzz033.p09-001-19

  • Bahr, L., Franz, K., & Mähler, A. (2021). Assessing the (anti)-inflammatory potential of diets. Current Opinion in Clinical Nutrition and Metabolic Care, 24(5), 402–410. https://doi.org/10.1097/MCO.0000000000000772

  • Barbeau-Grégoire, M., Otis, C., Cournoyer, A., Moreau, M., Lussier, B., & Troncy, É. (2022). Enriched therapeutic diets and nutraceuticals in canine and feline osteoarthritis: A systematic review and meta-analysis. International Journal of Molecular Sciences, 23(18), 10384. https://doi.org/10.3390/ijms231810384

  • Barroso, C., Fonseca, A., & Cabrita, A. (2024). Vitamins, minerals and phytonutrients as modulators of canine immune function: A literature review. Veterinary Sciences, 11(12), 655. https://doi.org/10.3390/vetsci11120655

  • Barberio, B., Bertin, L., Facchin, S., Bonazzi, E., Cusano, S., Romanelli, G., Pesenti, F., Cazzaniga, E., Palestini, P., Zingone, F., & Savarino, E. (2025). Dietary interventions and oral nutritional supplementation in inflammatory bowel disease: Current evidence and future directions. Nutrients, 17(11), 1879. https://doi.org/10.3390/nu17111879

  • Bonder, B., Teixeira, F., Porsani, M., Gonçales, L., Nagashima, J., De-Oliveira, C., Balieiro, J., Pfrimer, K., Massoco, C., Fantoni, D., Pontieri, C., & Brunetto, M. (2023). Evaluation of an onco-diet on body composition and inflammatory status of dogs with mammary tumor: Pilot study. PLOS ONE, 18(6), e0287797. https://doi.org/10.1371/journal.pone.0287797

  • Borella, F., Benvenuti, E., Pierini, A., Borrelli, A., Cagnasso, F., Zanatta, R., Marchetti, V., & Gianella, P. (2025). Retrospective evaluation of therapeutic response in dogs with immunosuppressant-responsive enteropathy. Open Veterinary Journal, 15, 4470–4481. https://doi.org/10.5455/ovj.2025.v15.i9.53

  • Chandrakar, N., Singh, J., Antiwal, M., & Maurya, P. (2025). Nutritional strategies to combat chronic inflammation and promote wellness. International Research Journal of Ayurveda & Yoga. https://doi.org/10.48165/irjay.2025.80405

  • De Santiago, M., Arribas, J., Llamas, Y., Bečvářová, I., & Meyer, H. (2021). Effect of a dietetic food on dermatologic scoring and pruritus in dogs with atopic dermatitis. BMC Veterinary Research, 17, 306. https://doi.org/10.1186/s12917-021-03063-w

  • Dupouy-Manescau, N., Méric, T., Sénécat, O., Drut, A., Valentin, S., Leal, R., & Hernandez, J. (2024). Updating the classification of chronic inflammatory enteropathies in dogs. Animals, 14(5), 681. https://doi.org/10.3390/ani14050681

  • Fritsch, D., Jackson, M., Wernimont, S., Feld, G., MacLeay, J., Brejda, J., Cochrane, C., & Gross, K. (2022). Microbiome function underpins fiber-supplemented dietary intervention in dogs with diarrhea. BMC Veterinary Research, 18, 315. https://doi.org/10.1186/s12917-022-03315-3

  • Glazar, M., & Facchin, S. (2025). Comparative insights into gut microbiota, diet, and inflammation in canine enteropathy. Academia Nutrition and Dietetics. https://doi.org/10.20935/acadnutr7951

  • Grosso, G., Laudisio, D., Frías-Toral, E., Barrea, L., Muscogiuri, G., Savastano, S., & Colao, A. (2022). Anti-inflammatory nutrients and obesity-associated inflammation. Nutrients, 14(6), 1137. https://doi.org/10.3390/nu14061137

  • Hemida, M., Vuori, K., Moore, R., Anturaniemi, J., & Hielm-Björkman, A. (2021). Early-life exposures and inflammatory bowel disease symptoms in dogs. Frontiers in Veterinary Science, 8, 552350. https://doi.org/10.3389/fvets.2021.552350

  • Hiney, K., Sypniewski, L., DeSilva, U., Pezeshki, A., Rudra, P., Goodarzi, P., Willis, E., & McFarlane, D. (2024). Microbiota and inflammation in dogs fed raw vs kibble diets. Frontiers in Veterinary Science, 11, 1328513. https://doi.org/10.3389/fvets.2024.1328513

  • Isidori, M., Corbee, R., & Trabalza-Marinucci, M. (2022). Nonpharmacological treatment strategies for canine chronic inflammatory enteropathy. Veterinary Sciences, 9(2), 37. https://doi.org/10.3390/vetsci9020037

  • Jaffey, J., Su, D., Monasky, R., Hanratty, B., Flannery, E., & Horman, M. (2022). Whole food diet effects on immune function in dogs. Frontiers in Veterinary Science, 9, 898056. https://doi.org/10.3389/fvets.2022.898056

  • Kathrani, A. (2020). Dietary approaches to chronic enteropathy in dogs. Veterinary Clinics of North America: Small Animal Practice, 50(6), 1231–1247. https://doi.org/10.1016/j.cvsm.2020.09.005

  • Marchi, P., Vendramini, T., Perini, M., Zafalon, R., Amaral, A., Ochamotto, V., Da Silveira, J., Dagli, M., & Brunetto, M. (2022). Obesity, inflammation, and cancer in dogs. Frontiers in Veterinary Science, 9, 1004122. https://doi.org/10.3389/fvets.2022.1004122

  • Mason, B., Sahoo, D., Iennarella-Servantez, C., Kathrani, A., Morgan, S., Bourgois-Mochel, A., Bray, A., Gabriel, V., Zdyrski, C., Groeltz, J., Cassmann, E., Ackermann, M., Suchodolski, J., Mochel, J., Allenspach, K., & Jergens, A. (2025). Western diet effects on dysbiosis and inflammation in dogs. Journal of Veterinary Internal Medicine, 39. https://doi.org/10.1111/jvim.70035

  • Móritz, A., Kovács, H., Jerzsele, Á., Psáder, R., & Farkas, O. (2024). Flavonoids in mitigating canine endotoxemia. Frontiers in Veterinary Science, 11, 1396870. https://doi.org/10.3389/fvets.2024.1396870

  • Panickar, K., & Jewell, D. (2015). Anti-inflammatory dietary ingredients in aging. Hormone Molecular Biology and Clinical Investigation, 23(2), 59–70. https://doi.org/10.1515/hmbci-2015-0017

  • Park, M., Hong, J., Cho, W., & Song, K. (2025). Functional diet for atopic dermatitis in dogs. BMC Veterinary Research, 21. https://doi.org/10.1186/s12917-025-05055-6

  • Phimister, F., Thomas, D., Haack, N., Heiser, A., Farquhar, M., Bermingham, E., & Anderson, R. (2025). Inflammatory response in canine intestinal epithelial cells. Journal of Animal Science. https://doi.org/10.1093/jas/skaf404

  • Rhimi, S., Kriaa, A., Mariaule, V., Saidi, A., Drut, A., Jablaoui, A., Akermi, N., Maguin, E., Hernandez, J., & Rhimi, M. (2022). Diet, microbiota, and inflammatory bowel disease in dogs. Metabolites, 12(12), 1176. https://doi.org/10.3390/metabo12121176

  • Richards, T., Burron, S., Pearson, W., Trevizan, L., Minikhiem, D., Grant, C., Patterson, K., & Shoveller, A. (2023). Plant oil supplementation and inflammatory markers in dogs. Frontiers in Veterinary Science, 10, 1085890. https://doi.org/10.3389/fvets.2023.1085890

  • Rodrigues, S., Mendoza, B., Dias, M., Santos, N., Hebert, M., Bettin, E., Signorelli, F., Procoli, F., Hernandez, J., & Leal, R. (2025). Diet and treatment response in canine enteropathy. Journal of Veterinary Internal Medicine, 39. https://doi.org/10.1111/jvim.70071

  • Ramos-López, O., Martínez-Urbistondo, D., Vargas-Nuñez, J., & Martínez, J. (2022). Nutrition and meta-inflammation. Current Obesity Reports, 11(4), 305–335. https://doi.org/10.1007/s13679-022-00490-0

  • Sahoo, D., Allenspach, K., Mochel, J., Parker, V., Rudinsky, A., Winston, J., Bourgois-Mochel, A., Ackermann, M., Heilmann, R., Köller, G., Yuan, L., Stewart, T., Morgan, S., Scheunemann, K., Iennarella-Servantez, C., Gabriel, V., Zdyrski, C., Pilla, R., Suchodolski, J., & Jergens, A. (2022). Synbiotic-IgY therapy in canine enteropathy. Veterinary Sciences, 10(1), 25. https://doi.org/10.3390/vetsci10010025

  • Tavener, S., Jackson, M., & Panickar, K. (2024). Ketogenic diets and immune modulation in dogs. Current Developments in Nutrition, 8. https://doi.org/10.1016/j.cdnut.2024.102128

  • Tolbert, M., Murphy, M., Gaylord, L., & Witzel-Rollins, A. (2022). Dietary management of chronic enteropathy in dogs. Journal of Small Animal Practice. https://doi.org/10.1111/jsap.13471

  • Van Amersfort, K., Van der Lee, A., & Hagen-Plantinga, E. (2023). Nutraceuticals in canine dermatological inflammatory disease. Veterinary Dermatology. https://doi.org/10.1111/vde.13152

  • Wang, Z., Yuan, C., Huang, T., & Lu, B. (2025). Early nutritional interventions for inflammation. Trends in Endocrinology and Metabolism. https://doi.org/10.1016/j.tem.2025.06.001

  • Yu, X., Pu, H., & Voss, M. (2024). Anti-inflammatory diets in chronic disease. British Journal of Nutrition, 132, 898–918. https://doi.org/10.1017/S0007114524001405

  • Zhang, M., Mo, R., Wang, H., Liu, T., Zhang, G., & Wu, Y. (2023). Grape seed proanthocyanidin and intestinal inflammation in dogs. FASEB Journal, 37. https://doi.org/10.1096/fj.202300819rr

How Veterinarians Evaluate Dog Diets

 

VetFarmacy developed a clinical reference guide explaining how veterinarians assess diets for inflammation, immune health, and chronic disease.

Inside the PDF, you’ll learn:

  • how inflammation is evaluated in nutrition studies

  • how microbiome-targeted diets are assessed

  • how functional ingredients are validated

  • how therapeutic diets are compared clinically

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By Dr. Athena Gaffud, DVM
Founder of VetFarmacy | Evidence-Based Veterinary Nutrition

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Free educational resource • No spam

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