Mixed Sizes. Our girls are fed on a diet rich in Vitamin D, which means 2 Mixed Size Happy Eggs naturally contain 70% of your daily need*, essential for growing and maintaining strong bones!. * Based on 2 average eggs (50g per egg). Research conducted in conjunction with Newcastle University.. More information at egginfo.co.uk. Hundreds of recipe ideas at eggrecipes.co.uk. Rich in vitamin D,Naturally high in protein,Free range natural goodness,2 mixed size happy eggs contain 70% of your daily vitamin D,From farms independently monitored for welfare