With quality ingredients sourced from British and Irish farms, heaps of vitamin-packed vegetables and delicious beneficial herbs and oils in a number of our recipes, our nourishing meals are bursting with all the essential nutrients that dogs need to be at their best. Tripe is packed with high-quality protein, calcium for strong bones, Vitamins A and B12, and the all-important Omega-3 and Omega-6, to support the immune system and promote healthy skin and shiny coats. Unlike other tripe youâ€™ll find, ours is green, because it comes from grass-fed cattle. British & Irish Farmed (Chicken 34%, Tripe 13%, Beef 3%), Minerals. Nutritional Additives (per kg): Vitamins: Vitamin A 1250 I.U., Vitamin D3 250 I.U. Trace Elements (mg/kg): Zinc (3b605) 20, Manganese (3b503) 2.5, Iodine (3b202) 0.5. Technological Additives (per/ kg): Natural Cassia Gum 4.