Just ask us them and they'll tell you who they are! Additionally, they strive to only use meats that are free-range, pasture raised and always free of hormones and antibiotics. Their produce is 100% certified Organic and their supplements are always pure, organic, and unrefined. No HPP (high pressure pasteurization). Ingredients: Chicken neck, chicken gizzard, chicken, chicken back, organic carrots, chicken liver, chicken heart, organic yams, organic broccoli, organic zucchini, salmon oil, organic apple cider vinegar, organic kelp, organic kale, organic collards, organic parsley, organic bee pollen, organic garlic, organic bilberry, organic wheat grass, organic basil, organic rosemary, natural vitamin e, zinc glycinate, copper glycinate, manganese glycinate