• Supports healthy respiratory and sinus function*
• Offers Isoquercitrin for superior bioavailability*
• Supports stable mast cells*
• Premium Vegan Formulation

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.* Aller-C’s combination formula also includes Vitamin C for immune support, Citrus Bioflavonoids to help maintain capillary stability, and Bromelain to promote healthy 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.*

Packaging and labels may vary.

Suggested Use: Take 2 capsules, 2-4 times daily, or as directed by a healthcare professional.


Serving Size:  2 capsules

Amount Per Serving
Vitamin C ... 900mg
(as Ascorbic Acid)
Citrus Bioflavonoids 92% ... 180mg
Enzymatically Modified Isoquercitrin (EMIQ) ... 100mg
Bromelain (2400DGDU/g) ... 100mg

Other Ingredients: Hypromellose, Leucine, Cellulose

Store sealed in a cool dry place. Keep out of reach of children. Use only if safety seal is intact. 

Warning: If you are pregnant or lactating, taking medication or have a medical condition, consult your healthcare practitioner before use.