USDA certified organic food for small and medium adult parrots, develloped by world renowned avian vetenarian Greg Harrison. This food contains no pesticides, GOM, preservatives or artificials. Simply nutririous, natutral and wholesome. It is recommended that birds be first switched to the High potency formula for at least 6 months before offering other Harrison's products. We also recommend that you read all the instructions before using as this product contains no preservatives and must be kept in its original container for up to 6 weeks after opening.