Vitalin Grain Free Luxury 60% Fresh Chicken Treats. Vitalin Natural Luxury Treats are made in there own UK factory with the same high quality ingredients as all the Vitalin dog food to provide a healthy treat for your pet.  These hypoallergenic grain-free treats combine 60% British chicken blended with unique botanical mix and other natural ingredients.  As always, there are no added artificial colours, flavours or preservatives.