High potency propolis liquid Natures defender Propolis is a natural substance collected by honey bees from buds and trees. It naturally contains tree resin, essential oils, waxes and bioflavonoids. Bioflavonoids are one of the most important components in propolis. High potency propolis liquid Natures defender Propolis is a natural substance collected by honey bees from buds and trees. It naturally contains tree resin, essential oils, waxes and bioflavonoids. Bioflavonoids are one of the most important components in propolis.
