Sisu Ester-C Powder

125 g
by Sisu
Product ID: S01122
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Sisu Ester-C Powder


Excipient-free and with no added colours, flavours or sweeteners, Ester-C Powder helps to strengthen your immune system, alleviate allergy symptoms, encourage the growth and repair of body tissues and maintain the integrity of bones, gums and teeth. This flexible powder is enhanced with antioxidant bioflavonoids from citrus fruits and mixes easily with water or fruit juice so you can personalize your dosage.



    • Enhanced bioavailability
    • Improved absorption and retention up to 24 hours
    • Non-acidic and gentle on the stomach
    • The best-researched form of buffered vitamin C
Medicinal Ingredients
Servings Size: ¼ teaspoon (1.2 grams)
Servings Per Container: 125
Amount per Serving
Vitamin C (calcium ascorbate) 145 mg
from Ester-C brand calcium ascorbate 1145 mg
Bioflavonoids (Citrus fruits) 270 mg
Contains no dairy, gluten, wheat, soy, added flavours or sweeteners, artificial colours, fillers or additives.
Adult dosage: Take 1.2 grams (¼ teaspoon) dissolved in juice or water twice daily or as directed by a health care practitioner.
Take 1.2 grams (1/4 teaspoon) dissolved in juice or water twice per day.

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Customer Reviews

Based on 1 review
Frances W.
Sisu Ester-C powder

This is a very easy way of getting whatever amount you want of Vitamin C. Sisu products are great, and Ester-C is apparently the best form of supplemental Vitamin C to take. The powder mixes easily in liquid.