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

Caution: 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.