Research
Cellular
Consumption of caffeinated coffee decreases the risk of kidney stone formation by 10% for each 240-ml serving consumed daily.
Encouraging the consumption of caffeinated coffee may help reduce the risk of kidney stones.
GoodSupportsmedium confidence
the risk of stone formation decreased by the following amount for each 240-ml (8-oz) serving consumed daily: caffeinated coffee, 10% (95% confidence interval 4-15%).
Why this rating
Based on a prospective study design with a large cohort.
Source
Prospective Study of Beverage Use and the Risk of Kidney Stones
Gary C. Curhan et al. · American Journal of Epidemiology · 1996
DOI 10.1093/oxfordjournals.aje.a008734
cohort · n=45289Cited 288×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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