Tom&Sawyer Fisherman's Best Friend is made with Wild Pollock, brown rice, butternut squash, kale, and cranberries. It has been formulated to support healthy renal function as your pet ages (lowered phosphorus, moderate protein, lowered sodium). The anti-inflammatory and antioxidant properties help with joint management in senior pups, and it is low in fat and suitable for pups with pancreatitis. This formula can help support weight loss.