Royal Canin's gastrointestinal wet formula is the go-to vet prescription diet for dogs with digestive issues, and the brand's aging formulas are widely recommended for senior dogs. Higher moisture content helps aging dogs stay hydrated.
Royal Canin is what vets actually prescribe when a dog has real health issues — that's the highest endorsement possible. The wet formula is especially valuable for senior dogs who need hydration support.
“I add royal canin joint health wet food for 2/3 meals per day.”
r/PetAdvice · read thread →
“Hills and RC do A LOT of research and offer a lot of diets — most are poultry based.”
r/DogFood · read thread →
“Best veterinary-recommended brand: Royal Canin Gastrointestinal Dog Food — backed by feeding trials and robust quality-control programs.”
Healthline (Dr. Vincent Tavella, DVM) · read full review →
“Wet food has a higher water content than dry food, which can help senior dogs avoid dehydration. A 2026 study also states that adequate water intake is imperative for aging dogs, as total water content declines with age.”
Healthline · read full review →