When it comes to choosing the best food for your pup, pet parents have no shortage of options. But what truly makes a difference in your dog’s health? Curious (and, if we’re being honest, a bit overwhelmed), we asked Dr. Matthew Wheaton, D.V.M.—chief of staff at Alicia Pet Care Center and a second-generation veterinarian—what he looks for in a dog food brand. Here’s what he had to say, and the brand he often recommends to his furry friends…