Free Shipping across Canada for orders over $70 before tax*

Ester-C Supreme Powder helps to support a healthy immune system.

Vitamin C also helps to reduce histamine release in the body, thereby alleviating allergy symptoms. There are numerous forms of vitamin C with ascorbic acid being the most basic. People wanting a clinically proven form that is easier on the system than ascorbic acid should choose a form like Ester-C brand calcium ascorbate.


Medicinal ingredients per ¼ teaspoon (1 gram):Vitamin C (calcium ascorbate)...638 mg
from Ester-C brand calcium ascorbate
Arabinogalactan (Larix occidentalis) bark...100 mg
Quercetin (fruit)...50 mg
Multianthocyanidins (berry/fruit*)...50 mg
*Bilberry, Cranberry, Black Currant, Grape


Take 1 gram (¼ teaspoon) twice daily or as directed by a health care practitioner.

Loved by 1000+ customers