European, pesticide-free Propolis; time-proven immune, kidney, thymus and skin support. Propolis is used by the bee hive as the lining and sealant to the hive. Granting the hive powerful immune and anti-microbrial properties. Seal up our field and protect from pathogens.This formula features 4-polarity propolis (290 mg/cap), a natural resin from bee hives that contains a diverse bioflavonoid spectrum including chrysin (6 mg/cap) that naturally supports healthy immune response.