We've had our 4 month old lab on Pro Plan Large Breed Puppy since we got her 2 months ago. That's what the breeder had her on so we stayed with it. I had a private trainer come today (great session----but that's another topic)......she advised feeding our lab Nutro Max or Natural Choice. She says to always make sure the first ingredient reads: "Chicken MEAL or Lamb MEAL. The main thing is MEAL." I want to feed my puppy the best quality and most natural food possible; whatever is best for her. I don't care what it costs. Any suggestions? Thanks!