SPECIFIC™ FKW – Kidney Support is designed to provide nutritional support for adult cats with reduced heart, kidney and/or liver function. High levels of Omega-3 from fish, reduced protein and carefully balanced vitamins and minerals support blood pressure and reduce kidney workload.This wet food is also designed to help prevent the formation of calcium oxalate, urate or cystine stones.For adult cats with kidney and heart disease, and cats with (or prone to) calcium oxalate, urate and cystine stones.Why choose Kidney Support?A high level of fish oil supports heart rhythm and blood pressure, which can also support kidney function. Restricted phosphorus content supports normal blood pressure and kidney function. Lower mineral and protein levels reduce kidney workload, combined with proteins of high biological value to provide all protein requirements even at reduced levels. Lower protein, added potassium citrate and an alkaline environment help prevent the formation of calcium oxalate, urate or cystine stones.