What does “organic” mean in dog food? Organic dog food refers to dog food made from ingredients that were grown or raised without the use of synthetic fertilizers, pesticides, antibiotics, or growth hormones. In the U.S., the term is regulated by the USDA, and products labeled “organic” must meet specific requirements., What is the best organic dog food? After careful analysis, our top recommended organic dog food is The Honest Kitchen Grain-Free Chicken Recipe . This high quality organic diet is made only from the best ingredients, and is bursting with flavor that dogs love., Best organic dog food to lose weight. Natural Balance Fat Dogs Low is excellent if your dog needs to lose weight. Best organic dog food to gain weight. With 484 calories per cup, Purina Pro Plan Performance is ideal for helping your dog gain lean muscle mass. Best organic dog brand for small dogs. Ollie’s bake recipes are our pick for this , , , .