Olsson's Perfect Pecker encourages the natural pecking and foraging instinct of poultry and other birds. It is naturally nutritious, containing natural shell grit and blackstrap molasses, as well as vitamins and minerals. Perfect Pecker includes vitamins A, D3, E, K, B1 and B2, B6, B12, folic acid, biotin, andwell as minerals including phosphorus, sodium, cobalt, copper, iron, iodine, zinc and selenium