Children's Sinus Support™ addresses the 3 body systems involved in sinus and bronchial health.Immune system—modifies the release of histamine, which results in normal mucosal secretions and healthy immune function*Respiratory system—works to balance the function of the sinus and bronchial systems and clears and soothes the mucus membranes of the sinuses and the lungs*Digestive system—helps to restore the balance of good bacteria in the digestive tract and to maintain healthy immune function*KEY INGREDIENTSChildren’s Sinus Support™ does not contain any harmful stimulants found in many over-the-counter drugs. This chewable tablet is sweetened only with xylitol, which is natural, safe and has been shown in research to promote healthy teeth.*Vitamin C promotes a normal histamine response and healthy immune function.*Quercetin has been shown to promote normal histamine levels in the body.*Bromelain thins mucus secretions and helps clear the airways.*