Coffee is one of the world’s most popular beverages, and new research suggests it may offer benefits beyond helping people feel more alert.
A large study involving more than 354,000 participants found that regular coffee consumption was associated with a lower risk of several liver-related conditions, including cirrhosis, liver cancer, and liver disease-related death.
While the findings are encouraging, researchers emphasize that the study shows an association rather than proving that coffee directly prevents liver disease.
What the Study Found
Published in Clinical Gastroenterology and Hepatology, the research examined long-term health outcomes among hundreds of thousands of participants.
Compared with people who did not drink coffee, regular coffee drinkers were found to have lower risks of several liver conditions.
Among the reported findings:
| Daily Coffee Intake | Observed Association |
|---|---|
| 1–2 cups per day | Lower risk of cirrhosis compared with non-coffee drinkers |
| 5 or more cups per day | Greater reductions in the observed risk of cirrhosis, liver cancer, and liver disease-related mortality |
Researchers noted that these results reflect statistical associations observed within the study population and should not be interpreted as proof of cause and effect.
More Than Just Caffeine
The study also included imaging and laboratory analyses to better understand potential biological differences among participants.
According to the researchers, people who regularly consumed coffee tended to show lower levels of liver fat and fewer indicators associated with liver scarring.
Interestingly, similar patterns were observed among participants who drank decaffeinated coffee.
This suggests that compounds naturally present in coffee—such as antioxidants and polyphenols—may contribute to the observed health benefits, although additional research is needed to better understand the underlying mechanisms.
What About Sugar or Sweeteners?
The researchers also looked at different ways people consumed coffee.
Participants who added sugar or artificial sweeteners still showed many of the same overall associations with reduced liver disease risk. However, the study found some evidence suggesting that higher amounts of added sweeteners may be associated with certain markers linked to mild inflammation.
The authors noted that more research is needed to understand these findings and their long-term significance.
Coffee Is Part of a Healthy Lifestyle
The researchers emphasized that coffee should not be viewed as a substitute for other healthy habits.
Maintaining a balanced diet, staying physically active, limiting excessive alcohol consumption, and managing conditions such as obesity and diabetes remain important factors for supporting liver health.
For many people, moderate coffee consumption can be part of an overall healthy lifestyle, but individual tolerance varies, and those with certain medical conditions should follow advice from their healthcare provider.
This large study adds to a growing body of research suggesting that regular coffee consumption may be associated with better liver health.
Although more research is needed to determine exactly how coffee may contribute to these benefits, the findings provide additional evidence that enjoying coffee in moderation can fit within a healthy lifestyle for many adults.
As always, dietary choices are best considered alongside other healthy habits and personalized medical advice.