Help support your paw-tner’s urinary tract and bladder health with Royal Canin’s Veterinary Diet Urinary SO Thin Slices in Gravy Canned Dog Food. High ion concentration in urine can lead to stone formation including struvite and calcium oxalate crystals, that’s why this veterinary exclusive recipe features Relative Super Saturation (RSS) methodology, which may help reduce ion concentration. To help dissolve struvite stones and help keep them from forming, this recipe is crafted with a reduced level of magnesium. Ask your vet about pairing this wet food with Royal Canin’s Urinary SO dry dog food and treats!