Have any dog food brands been shown to increase a dogs life expectancy?
Have any dog food brands been shown to increase a dogs life expectancy?
user
Well, this is a bit of a tricky question.  You’re asking whether any of the many brands of dog food have been shown to help dogs live longer.  I can tell you about some of the brands that have been shown to extend dogs’ lives.  Do you mean to include these brands in your question?
assistant
yes please list them
user