Nutrition is an extremely difficult topic to study and understand. There are several thousands of products and foods available.
Short answer: Any commercial puppy formula diet with an AAFCO (Association of American Feed Control Officials) label will provide the required nutrients needed for your puppy.
Most of what you know is based on advertising. Click here to learn the truth about commonly stated "facts" on nutrition.
Fresh water at all times and clean bowls are also essential
Look for a label on your puppy’s food. It will have directions specific to that diet.
More frequent feedings can be beneficial and required for some small breed pups
While switching diets should be avoided if your puppy is doing well on its current diet, occasionally a diet change is necessary.
Transitioning to new diet
· It is not uncommon to see mildly loose stool during a diet change, consult with your veterinarian if diarrhea persists during the transition.
Much of what you see in the store and on TV are based on one thing... advertising. Very few claims mean much of anything and the truth can be difficult to find. Here are few common truths that you should be aware of when shopping for a dog food:
"By products"
"Grains"
"Grain Free" is better
"Wheat gluten"
"Chicken Meal"
"Flax seeds"
“Organic”
"Raw diet"
“Human Grade” and “Holistic”