What does “Natural Flavor” mean in your ingredients? October 15, 2018 22:40 The natural flavor we use is plant and/or mineral derived with no artificial or synthetic additives. Related articles Is your oat flour grown with glyphosate (Round up)? What are mixed tocopherols (preservative) in your treats? Does your Green Tea extract have caffeine in it? Are you looking for wholesale or retail distribution? Don't dogs need meat?