Swanson Ultra Royal Jelly Propolis Complex is a unique immune system support formula that combines bee propolis, royal jelly, and bee pollen — three unique substances with benefits for the body. Bee pollen provides an energy boost. Propolis is an excellent tonic and provides powerful nutrition for the immune system. Royal jelly provides an immune stimulant known as hydroxydecenoic acid (HDA), which improves the bodys cellular defenses. Key features of Royal Jelly Propolis Complex: Unique immune system support Combines the properties of bee pollen, propolis and royal jelly Guaranteed concentration of 6% HDA Dosage: Take one capsule two to three times daily with water.