A customized formulation of Ester-C® with bioflavonoids. Ester-C® is a patented nutritional product that contains ascorbic acid and calcium. This formulation is non-acidic and minimally irritating to the intestines.*

Esterol also provides 3 types of bioflavonoids - quercetin, rutin, and proanthocyanidins from grape seed extract. Ester-C® vitamin C is corn-source.*This statement has not been evaluated by the U.S. Food and Drug administration. The product is not intended to diagnose, treat, cure, or prevent any disease.

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*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.allergyresearchgroup.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.