Is Coffee Bad for Your Kidneys? What Big Studies Found
Quick answer: is coffee bad for your kidneys? For most healthy adults, no. A systematic review of 59 Mendelian-randomisation studies published November 4, 2026 in Nutrition Research Reviews graded the evidence for coffee as "probable" for lower chronic kidney disease risk, higher eGFR, lower albuminuria, and lower kidney stone risk . A review in Nephrology…