A healthy pup requires several essential nutrients for its growth into a wonderful canine. While a balanced diet may help create immunity, we require an excess of iron and fats to be used up while the puppy plays around. A combination of dry foods and wet foods will work wonders. Make sure the dog is not over-fed as it may ruin the digestive process since canned food groups contain fibers that help produce better stools. Immunity boosters like omega-6 fatty acids are recommended during the pup’s development phase. Here are the market’s best puppy dog food choices.