Dog food for dietary management (lower urinary tract disease) Royal Canin Urinary S/O Aging 7+ Pouch 85g/2 bags Expiration date: 2026.6 Royal Canin Urinary S/O Pouch 100g/3 bags Expiration date: 2027.1 This is a specially formulated dietary food intended for dogs with lower urinary tract disease (struvite urolithiasis and calcium oxalate urolithiasis). The mineral content, such as magnesium, has been adjusted. New, unused