Beekeeper's Naturals' combined the beehive’s most powerful immune supporter - propolis - with quercetin, bromelain and nettle leaf to provide a potent dose of seasonal sinus care that helps support healthy histamine levels. -Propolis - A potent anti-inflammatory that research shows is effective at inhibiting the release of histamine. -Quercetin - a unique bioflavonoid that supports healthy histamine levels -Bromelain - a protein-digesting enzyme that supports a natural inflammatory response -Nettle - disrupts the allergy process by inhibiting the body’s histamine production and related inflammation

As with any dietary supplement, if you are nursing, pregnant, or taking medication, consult your healthcare professional before use. Keep out of reach of children.