Organic dog food is growing in popularity -- are you looking for the best brand, or are you making the switch for your canine's diet? The best organic dog foods generally have fewer ingredients, most of which are recognizable. A high quality meat source should be the number one ingredient and should be named first. Fillers are designed to make dogs feel full without actually providing fully satisfying ingredients. Castor & Pollox offers the Organix line, which is purposefully lacking common fillers like corn, wheat, and soy. Taste of the Wild gives options suitable for all stages of a dog's development. For those concerned with puppy specific formulas, Wellness and Orijen have foods high in proteins that come in the right sized kibble for small breeds through giants. Read on to learn more about choosing the best organic dog food.