This is what it says on the website, where it lists eggs as free:
Eggs Versatile, tasty, nutritious and good value, it is no wonder that 27 million eggs are eaten every day! The culinary uses for the humble egg are endless – meringue, omelettes, quiche, cakes, bread, mayonnaise, custard. Hen’s egg are most commonly used, but duck, goose and quails eggs are also popular. Contrary to popular belief brown eggs and white eggs are equally nutritious. The white or albumen of an egg is an excellent source of protein and riboflavin. The yolk is also a good source of protein, iron, vitamin A, vitamin D, choline and phosphorus.