FORZA10 KIDNEY RENAL ACTIVE represents the specific Active Line diet developed to help all cats with chronic or acute kidney problems or heart problems which don’t respond satisfactorily to conventional therapy Renal Active has been developed to support renal and cardiac metabolism in all cases of chronic renal failure acute renal failure congestive heart failure conditions requiring low protein diets conditions requiring low phosphorus and or sodium content diets The effectiveness of Active Line diets is supported by numerous scientific studies conducted in association with lance Veterinarians and Italian Universities and published in prestigious international scientific journals Features. Kidney Renal Active for Cats Specifications. Weight 5 lbs