Allergy Research
Vitamin C (as calcium ascorbate) 1350 mg
Calcium (as calcium ascorbate) 150 mg
Rutin 10 mg
Quercetin 50 mg
Proanthocyanidins 5 mg

Other ingredients:
Gelatin, magnesium stearate, silicon dioxide


Suggested Use: As a dietary supplement, 1 or 2 capsules one to three times daily between meals, or as directed by a healthcare practitioner.


These nutrients are of the highest quality and purity obtainable, and do not contain preservatives, diluents, or artificial additives.

Variations in product color may occur. Keep in a cool, dry place, tightly capped.
Ester-C® Calcium Ascorbate with Proanthocyanidins & other Bioflavonoids
A customized formulation of Ester-C® with bioflavonoids. Ester-C® is a patented nutritional product that contains ascorbic acid and calcium demonstrated to enhance absorption and retention of vitamin C. Esterol also provides 3 types of bioflavonoids - quercetin, rutin, and proanthocyanidins.

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