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SISU Ester-C powder (125 g)

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Sisu's Ester-C Powder helps to boost 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

  • Vitamin C
    from Ester-C® brand calcium ascorbate
    765 mg
  • Calcium (calcium ascorbate)
    145 mg
  • Bioflavonoids (citrus fruits)
    180 mg

Adult dosage

  • Take 1.2 grams (1/4 teaspoon) dissolved in juice or water twice daily or as directed by a health care practitioner

Contains no

  • Dairy, wheat, gluten, soy, flavours, colours, or sweeteners