Lifewise Cat Kangaroo with lamb and rice. Wild caught kangaroo is especially favoured by cats, and when combined with grass fed Australian lamb, vitamins, minerals and essential fats and oils, it makes the perfect food for cats  of all ages. Low magnesium levels coupled with high levels of sulphur amino acids promotes a healthy urinary tract with optimum urine pH levels, whilst the unique scientific formulation is especially effective for older felines.