Dude also claims that his Great Dane (that he developed this food for) lived to be like 27 years old or somthing stupid like that. Great Danes live like 5-7 years, typically. Maybe like 10 on the outside if they don't die of bone cancer first (they get that a lot as a genetic side effect of being bred to be huge). The oldest confirmed dog ever was supposedly 31 years old (https://www.npr.org/2023/10/25/1208478868/bobi-worlds-oldest-dog-dies-portuguese), but these sort of age record-breaking dogs are highly suspect in general because dog life expectancy is pretty consistent by breed.