(Kidney Support Supplement) Renal Essentials has been formulated with key factors which help maintain optimal kidney function, balance urine pH and mineral levels, normalize circulation, and strengthen the immune response to foreign material in the urinary tract and kidneys. Vetri-Science Renal Essentials For Cats (60 Tabs) Regular price: $9.10 Sale price: $8.49 Vetri-Science Renal Essentials For Dogs (90 Tabs) Regular price: $30.70 Sale price: $26.99