The Mr Johnson's Advance Guinea Pig contains essential fibre to aid digestive transit and dental wear. Natural pre-biotic for a healthy gut flora. No added colours, flavours, or preservatives. Mono-component nugget prevents selective feeding. Ingredients: Wheatfeed, alfalfa, barley, oatfeed, soya bean meal, sunflower seed meal, vegetable oil and fat, carrot, calcium carbonate, sodium chloride, verm-x herb blend, Bio-Mos, Glucosamine, De-odorase. Product FeaturesContains essential fibre to aid digestive transit and dental wear.Natural pre-biotic for a healthy gut flora.Mono-component nugget prevents selective feeding.