• contains Quercetin and Hesperidin
• maintains normal respiratory and sinus function*
• supports stable mast cells*

ALLER-C is a potent and effective combination formula.* Quercetin and Hesperidin (from Citrus Bioflavonoids) have been shown to be two of the most useful and physiologically active flavonoids.* This formula can be used for maintaining and supporting proper levels of enzymes and physiologic factors necessary for normal respiratory and sinus function.*