Best-selling supplement ALLER-C® is a potent and effective combination formula designed to help maintain normal respiratory and sinus function.* Aller-C features Isoquercitrin, a clinically studied nutraceutical offering the benefits of quercetin with superior absorption and bioavailability, to help promote cellular antioxidant defenses and a normal histamine response.* Aller-C’s combination formula also includes Vitamin C for immune support, Citrus Bioflavonoids to help maintain capillary stability, and Bromelain to promote inflammatory balance.* This supplement can be used for maintaining and supporting the proper levels of enzymes and physiological factors necessary for normal respiratory and sinus function.* during seasonal challenges.*
Take 2 capsules, 2-4 times daily, or as directed by a healthcare professional.



Serving Size: 2 vegetarian capsules

Amount Per Serving
Vitamin C ... 900mg
(ascorbic acid)
Proprietary Blend ... 380mg
Citrus Bioflavonoids 92%, EMIQ (Enzymatically Modified Isoquercetin), Bromelain (high potency)

Other Ingredients: Vegetable Cellulose Capsule, Cellulose, and Leucine.

Warning: If pregnant, consult your physician before taking.