YuRELIEVE Advance For Cats gives urinary support for cats. YuRELIEVE is a unique combination of natural ingredients developed to support your cat’s urinary health. It supplies the building blocks of the bladder lining. N-Acetyl D-glucosamine and ActivEase Green Lipped Mussel which provide the four building blocks to protect the lining of the bladder. It also aids the body’s own anti-inflammatory process and supports the feline urinary health and to support serotonin production.