AminAvast 300-mg Chew Kidney Support Supplement for Cats is the purr-fect way to support your cat’s natural kidney function and help maintain their aging kidneys. This supplement contains an ingredient created through a process using amino acids and a peptide. It supports your best friend’s renal health and can be paired with a protein-restricted diet. With no reported side effects or drug interactions, this supplement has a three-year shelf life, eliminating the need for refrigeration.