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  • Ester-C 24hr Immune Support 500 mg
  • Ester-C 24hr Immune Support 1000 mg
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©2025 The Ester C Company All Rights Reserved

* These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur. Keep out of reach of children.

†Ester-C® Vitamin C has been clinically studied to stay in your white blood cells for up to 24 hours, which is longer than regular Vitamin C. White blood cells are an important part of the immune system.

Ester-C® and Ester-C® are registered trademarks of The Ester C Company.

◊ at time of manufacture  ^ Per 2 vegetarian tablet serving