Introduction
Non-alcoholic fatty liver disease (NAFLD), recently reclassified under the broader term Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD), is one of the most common chronic liver disorders worldwide. It is characterized by excessive fat accumulation in the liver in the absence of significant alcohol consumption and is closely associated with obesity, insulin resistance, type 2 diabetes mellitus, dyslipidemia, and metabolic syndrome. Progressive forms of the disease lead to steatohepatitis, fibrosis, cirrhosis, and hepatocellular carcinoma. As conventional management primarily focuses on lifestyle modification, there is increasing interest in natural compounds with hepatoprotective properties. Among these, chicory (Cichorium intybus L.) has emerged as a promising therapeutic candidate.1
Chicory and its bioactive constituents
Chicory is a medicinal plant widely recognized for its nutritional and therapeutic properties. The roots, leaves, and seeds contain a variety of bioactive compounds, including inulin, chlorogenic acid, caffeic acid, flavonoids, sesquiterpene lactones, and polyphenols. These constituents contribute to its antioxidant, anti-inflammatory, metabolic, and hepatoprotective activities.
Mechanisms of hepatoprotective action
Regulation of hepatic lipid metabolism:
Excessive accumulation of triglycerides within hepatocytes is a hallmark of NAFLD. Chicory bioactive compounds are associated with improved lipid metabolism and regulation of hepatic fat storage. By supporting lipid homeostasis, chicory help reduce fat deposition within the liver and promote healthier metabolic function.2
Antioxidant effects:
Oxidative stress plays a critical role in the progression of fatty liver disease. Increased production of reactive oxygen species contributes to hepatocellular injury, inflammation, and fibrosis. Chicory contains numerous antioxidant compounds that help neutralize oxidative stress and protect liver cells from damage.
Anti-inflammatory activity:
Chronic low-grade inflammation is a key driver of NAFLD progression. Chicory has been shown to modulate inflammatory pathways and support a balanced immune response. By reducing inflammatory stress within hepatic tissues, it contribute to preservation of liver function and structural integrity.
Modulation of the gut–liver axis:
The gut microbiota significantly influences liver health through the gut–liver axis. Chicory-derived inulin acts as a prebiotic fiber that promotes beneficial intestinal microorganisms and supports microbial diversity. Improved gut microbial balance reduce intestinal permeability, decrease endotoxin exposure, and support healthier liver metabolism.
Improvement of insulin sensitivity:
Insulin resistance is a central factor in the pathogenesis of NAFLD. Chicory contribute to improved metabolic regulation through effects on glucose metabolism, gut microbiota composition, and inflammatory pathways. Enhanced insulin sensitivity can help reduce hepatic fat accumulation and metabolic stress.3
Clinical relevance
Chicory be considered a supportive nutritional intervention in:
- Non-alcoholic fatty liver disease (NAFLD/MASLD)
- Obesity-associated liver dysfunction
- Metabolic syndrome
- Insulin resistance
- Type 2 diabetes mellitus
- Dyslipidemia-related hepatic disorders
Its multifaceted actions on metabolism, inflammation, oxidative stress, and gut health make it particularly relevant in integrative approaches to liver disease management.
Conclusion
Chicory (Cichorium intybus) possesses significant hepatoprotective potential in non-alcoholic fatty liver disease due to its antioxidant, anti-inflammatory, prebiotic, and metabolic regulatory properties. By supporting lipid metabolism, improving insulin sensitivity, and modulating the gut–liver axis, chicory contribute to the prevention and management of fatty liver disease.4 As research continues to expand, chicory remains a promising natural agent for promoting liver health and metabolic well-being.
Reference:
- Maleki E, Sadeghpour A, Taherifard E, Izadi B, Pasalar M, Akbari M. The effects of chicory supplementation on liver enzymes and lipid profiles in patients with non-alcoholic fatty liver disease: A systematic review and meta-analysis of clinical evidence. Clin Nutr ESPEN. 2023 Jun;55:447-454. doi: 10.1016/j.clnesp.2023.04.025. Epub 2023 Apr 29. PMID: 37202083. https://pubmed.ncbi.nlm.nih.gov/37202083/
- Ciobârcă D, Cătoi AF, Gavrilaș L, Banc R, Miere D, Filip L. Natural Bioactive Compounds in the Management of Type 2 Diabetes and Metabolic (Dysfunction)-Associated Steatotic Liver Disease. Pharmaceuticals (Basel). 2025;18(2):279. Published 2025 Feb 19. doi:10.3390/ph18020279 https://pmc.ncbi.nlm.nih.gov/articles/PMC11859434/
- Omary L, Canfora EE, Puhlmann ML, et al. Intrinsic chicory root fibers modulate colonic microbial butyrate-producing pathways and improve insulin sensitivity in individuals with obesity. Cell Rep Med. 2025;6(7):102237. doi:10.1016/j.xcrm.2025.102237 https://pmc.ncbi.nlm.nih.gov/articles/PMC12281436/
- Pouille CL, Ouaza S, Roels E, et al. Chicory: Understanding the Effects and Effectors of This Functional Food. Nutrients. 2022;14(5):957. Published 2022 Feb 23. doi:10.3390/nu14050957 https://pmc.ncbi.nlm.nih.gov/articles/PMC8912540/