Cranberry. Drugs.com. Retrieved on 6 Mar. 2023. "Controversy exists over cranberry as a risk factor for the formation of calcium oxalate kidney stones, and the use of cranberry products in individuals with a history of nephrolithiasis probably should be avoided. A small study observed that consumption of 1 L/day of cranberry juice significantly increases the relative saturation ratio of calcium oxalate compared to drinking water similarly for subjects with and without a medical history of calcium oxalate stone formation...The genus Vaccinium also includes the blueberry (Vaccinium angustifolium Ait.), deerberry (Vaccinium stamineum L.)..."
