Ester-C 600 mg

    • About
    • Ingredients
    • Directions
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    Ester-C provides vitamin C to help in the development and maintenance of bones, cartilage, teeth and gums.
    Ester-C is a unique, patented form of calcium ascorbate, which is made when ascorbic acid (regular vitamin C) is buffered with calcium using a water-based process. Ester-C contains active vitamin C metabolites including L-threonate, which enhance cellular absorption and retention. Ester-C is the only form of vitamin C that has been proven to last up to 24 hours in the white blood cells of the immune system. This formula is also enhanced with quercetin, a powerful bioflavonoid and antioxidant with anti-inflammatory and anti-histamine properties.


  • Medicinal Ingredients: Each vegetable capsule contains:


    Vitamin C (calcium ascorbate*)

    600 mg

    Citrus bioflavonoids
    (lemon, grapefruit, orange, mandarin orange - fruit)

    100 mg

    *from Ester-C brand calcium ascorbate


    Non-medicinal ingredients: magnesium stearate (vegetable), hypromellose (capsule).


  • Adults: Take 1-2 capsules daily or as directed by a health care practitioner.


    Caution: Consult a health care practitioner prior to use if you are pregnant or breastfeeding.


    Keep out of reach of children. Store at room temperature in a dry place away from direct sunlight.


  • Dairy, wheat, gluten, soy, and peanuts. Non-GMO.




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