Is this food good for dogs with chicken allergies?

It uses duck and quail as the main animal proteins, not chicken, so it is a common pick for dogs that react to chicken. Check the full ingredient panel for any chicken fat or other poultry if your dog is strictly allergic.

Is it suitable for puppies and senior dogs?

NutriSource formulates this recipe for all life stages, so it can be fed to puppies and seniors alike. Portion by your dog's weight and age, and confirm with your vet for large-breed puppies.

What does grain free and potato free mean here?

The recipe leaves out grains such as wheat, corn and rice, and also leaves out potato. Other starches take their place, so read the panel if your dog has specific sensitivities.

What is the Good 4 Life system?

It is NutriSource's set of added ingredients aimed at digestive and overall health, and the brand says improvements can appear within the first feeding. It is a marketing framework, not a guarantee for every dog.

How should I switch my dog to this food?

Transition over about a week, mixing increasing amounts of the new kibble into the old. A slow switch limits loose stools, especially with a richer protein like duck.