Coffee improves liver health.

coffee1A study, published in the journal Hepatology, has specified that caffeinated and decaffeinated may benefit . Higher consumption regardless of content was linked to lower levels of abnormal enzymes suggesting that the compounds in may protect the .

It is estimated that 50% of Americans drink three cups each day on average. Prior research has touted the benefits of including protecting from diabetes, cardiovascular disease, non-alcoholic fatty disease, cirrhosis, and cancer.

The research participants for this study included 27,793 participants, 20 years of age or older, who provided intake in a 24-hour period. The team measured blood levels of several markers of function, including aminotransferase (ALT), aminotransferase (AST), alkaline phosphatase (ALP) and gamma glutamyl transaminase (GGT) to determine .

The findings revealed that who reported drinking three or more cups of per day had lower levels of ALT, AST, ALP and GGT compared to those not consuming any . Researchers also found low levels of these enzymes in participants drinking only decaffeinated .

“Prior research found that drinking may have a possible protective effect on the . However, the evidence is not clear if that benefit may extend to decaffeinated ,” explains lead researcher Dr. Qian Xiao from the in Bethesda, Maryland.

Dr. Xiao concludes, “Our findings link total and decaffeinated intake to lower enzyme levels. These data suggest that ingredients in , other than , may promote . Further studies are needed to identify these components.”


Qian Xiao, Rashmi Sinha, Barry I. Graubard, Neal D. Freedman. Inverse associations of total and decaffeinated with enzyme levels in NHANES 1999-2010. Hepatology, 2014; DOI: 10.1002/hep.27367

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