Esterol Ester-C®

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This product has been discontinued and is no longer available for purchase. Esterol Ester-C® provides highly bioavailable vitamin C as Ester-C® calcium ascorbate, buffered for impr oved tolerance and supported by bioflavonoids quercetin, rutin, and grape seed extract.* Research shows Ester-C® enhances vitamin C uptake by immune cells, promotes immune resilience, supports antioxidant defenses, and aids in collagen, adrenal, and connective tissue health.* Two capsules of Esterol Ester-C® contain 1.35 grams of vitamin C as calcium ascorbate. Show more