NOW Supplements Propolis 2000 is a highly concentrated natural bee product, formulated as a 5:1 extract for enhanced potency. Propolis is a resinous mixture that honey bees produce by mixing saliva and beeswax with the sap from buds and streams of trees. This natural substance is valued for its beneficial properties. These softgels deliver a standardized 5:1 concentration, making them an efficient addition to your daily wellness routine. It is a natural source product intended for nutritional support.