L-carnitine and taurine have been added to the diet to support heart muscle function.The diet contains high levels of water-soluble vitamins to compensate for the increased loss in heart patients taking diuretics.through the urine.This diet contains zeolite. This binds ammonium and thus helps reduce uremia in dogs with kidney failure. In dogs with liver failure, it supports liver function by decreasing the risk of hyperammonemia.Zinc is a co-factor in the enzymatic conversion of ammonia to urea and can reduce protein breakdown in muscle. The increased zinc concentration in SPECIFIC CKD Heart & Kidney Support may help support liver function by decreasing the risk of hyperammonemia.The amount of copper in this diet is limited because copper excretion may be impaired in patients with liver disease.excellent tasteBecause of the excellent taste of SPECIFIC CKD Heart & Kidney Support, nutritional needs are likely to be met even if the patient has a low appetite.This food is specially packaged under a protected atmosphere to protect the very high concentrations of EPA and DHA in the product.