In 2004, there was a study * done to determine the effects of dietary carbohydrates on the formation of struvite crystals in urine. (youngagainpetfood.com)
Cranberries also contributes to prevention of bacterial infection in the urinary tract and formation of struvite crystals in the bladder and urethra. (dogfoodselector.com)
Foods formulated to prevent struvite crystal formation produce an acid urine, have lower levels of magnesium and ash, have higher salt content to encourage more drinking which leads to more dilute urine and more frequent urination. (uvma.org)