NAF NVC Dog Relief. Loosen up those stiff joints in your pooch with the Natural Vetcare Dog Relief from NAF. Featuring a powerful herbal liquid, the Dog Relief is ideal to use alongside a joint supplement to target joint comfort. Perfect for those with sensitive stomachs, Dog Relief provides an all round joint care with anti-inflammatory support, antioxidant defence to help neutralise inflammation and balance immunity, liver support to support the metabolism of toxins and absorption of nutrients as well as soothing the digestion for a healthy gut environment.