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Mouse Model of Metabolic Dysfunction-Associated Steatotic Liver Disease with Fibrosis
Published on: July 18, 2025
Increased caffeine consumption is associated with reduced hepatic fibrosis
Apurva A Modi1, Jordan J Feld, Yoon Park
1Liver Diseases Branch, National Institutes of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA.
Hepatology (Baltimore, Md.)
|December 25, 2009
Summary
High caffeine intake, particularly from regular coffee, is linked to less severe liver fibrosis. This finding suggests a protective effect of caffeine consumption on liver health, especially in individuals with chronic liver conditions.
Area of Science:
- Hepatology
- Nutritional Science
- Gastroenterology
Background:
- Coffee consumption is linked to reduced liver disease, but the specific role of caffeine and its impact on hepatic fibrosis remain unclear.
- Investigating the direct relationship between caffeine intake and liver fibrosis is crucial for understanding its hepatoprotective potential.
Purpose of the Study:
- To evaluate the association between dietary caffeine consumption and the severity of liver fibrosis.
- To determine if caffeine, rather than coffee itself, confers a protective effect against hepatic fibrosis.
Main Methods:
- A food-frequency questionnaire was used to assess dietary caffeine intake in patients undergoing liver biopsy.
- Caffeine consumption levels were compared between patients with mild and advanced liver fibrosis.
- Logistic regression analysis was employed to determine the association between caffeine intake and fibrosis, controlling for confounding factors.
Main Results:
- Daily caffeine consumption exceeding 308 mg (approximately 2.25 cups of coffee) was significantly associated with reduced liver fibrosis.
- This protective association remained significant after adjusting for age, sex, race, liver disease, body mass index, and alcohol intake.
- Caffeine from non-coffee sources or decaffeinated coffee did not show a significant association with reduced liver fibrosis.
Conclusions:
- Dietary caffeine consumption, especially from regular coffee, above a threshold of approximately two cups per day, is associated with less severe hepatic fibrosis.
- The findings support a specific role for caffeine in mitigating liver fibrosis, independent of other coffee components.
- This research provides valuable insights into the potential benefits of caffeine for liver health and fibrosis progression.
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