Mr Johnsons Advance Guinea Pig Food is a nutritious wholesome tasty food which is suitable for all guinea pigs contains adequate levels of vitamin C. This fibrous mono-component food helps prevent selective feeding ensures that guinea pigs stay as healthy as possible. You should feed these nuggets alongside unlimited high quality hay a little bit of fresh fruit vegetables. Added vitamin C for overall health Glucosamine for joint health mobility Natural prebiotics for healthy gut flora Composition Wheatfeed, alfalfa, barley, oatfeed, soya bean meal, sunflower seed meal, vegetable oil fat, carrot, calcium carbonate, sodium chloride, verm-x herb blend, Bio-Mos, Glucosamine, De-odorase Analytical Constituents Crude protein 18%, Crude fibre 13%, Crude oils fats 4%, Crude ash 6%, Calcium 0.8%, Sodium 0.15% Phosphorous 0.4%