Hi readers, I have often wondered which type of pellets my guinea pigs should have so I did a bit of research . UK leading brands Supreme Science Selective Guinea Pig Pellets I used to feed this brand to Bramble, Patches and Maisie. Supreme pet foods say: Ingredients: Alfalfa meal, whole wheat, wheat feed, soybean hulls, soybean meal, flaked peas, linseed, sugar beet pulp, soybean oil, fennel seeds, monocalcium phosphate, calcium carbonate, dried dandelion, dried nettle. NUTRITIONAL ADDITIVES/Kg Vitamin A 23000 IU, Vitamin C 800 mg, VitaminD3 1500 IU, ANALYTICAL CONSTITUENTS Protein 16.0%, Crude fibre 15.0%, Fat content 4.0%, Inorganic matter 6.5%, Calcium 0.8%, Phosphorus 0.5%. This information is from: http://www.supremepetfoods.com/ Burgess Excel Mint Guinea Pig P ellets Composition: Sunflower Ext., Wheatfeed, Grass, Oatfeed, Maize, Apple (4%), Grape (4%), Carob Meal, Vegetable Oil, Minerals, Yeast (0.1%). Additives (Per Kg): Nutritional Additives: ...