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 mai...

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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. Vital Nutrients mission is to manufacture superior quality nutraceuticals that exceed both industry and government standards and provide clinically effective results. They provide over 200 science-based and clinically effective products. They have a comprehensive quality assurance program to ensure that purity and potency is consistently met on every product that they manufacture. Vital Nutrients uses independent U.S. ethical laboratories to test all raw materials and finished products. Each raw material is tested, regardless of origin, for purity and potency. All finished products are tested through a real time stability protocol for expiration date validation. They are an FDA Inspected facility that exceeds FDA cGMPs, and a member of the NPA.

  • High-Dose Vitamin C Allergy Symptom Relief: Aller-C supports respiratory & sinus relief from seasonal allergy symptoms using a unique blend of vitamin C, bioflavonoids, high-potency bromelain, and isoquercitrin for full-spectrum immune function support*
  • Healthy Immune System Support: Aller-C contains isoquercitrin, featuring the benefits of a quercetin supplement with superior absorption and bioavailability, to help promote cellular antioxidant defenses and a normal histamine response*
  • Clean Vegan Formula. Hypoallergenic and Non-GMO. Made without artificial fillers, coatings, binders, or colors.
  • Quality You Can Rely on: Our rigorous quality assurance program includes third-party independent laboratory testing of raw ingredients and finished products for purity and potency to ensure what’s on the label is in the bottle.
  • Trusted by Healthcare Practitioners Worldwide: Vital Nutrients was founded 30 years ago by practitioners who set out to make a positive and lasting impact on the health of people and planet. Today, our premium line of clinically relevant, pure, clean-label formulas is trusted by healthcare practitioners and health-conscious consumers worldwide

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