Vitamin C - Ester-C - SISU

Containing added citrus bioflavonoids for superior absorption, the original Ester-C® 600 formula works to strengthen your immune system, alleviate allergy symptoms, encourage the growth and repair of body tissues and help maintain the integrity of bones, gums and teeth. Ester-C® 600 capsules are suitable for use year round, but dosage can be increased during cold and flu season or during times of stress.



  • 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 (calcium ascorbate)

    from Ester-C® brand calcium ascorbate

    600 mg

  • Calcium (calcium ascorbate)

    72 mg

  • Citrus bioflavonoids

    (lemon, grapefruit, orange, mandarin orange–fruit)

    100 mg


Non-medicinal ingredients

  • Magnesium stearate (vegetable)


Capsule shell

  • Hypromellose


Adult dosage

  • Take 1–2 capsules daily or as directed by a health care practitioner

Vitamin C - Ester-C - SISU

  • Vegan


    Gluten Free

    Dairy Free

    Soy Free

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