Back to catalog home


Allergy Research Group



Esterol product image
SKU: ARG-70070
Buffered vitamin C as calcium ascorbate with quercetin, rutin, and proanthocyanidins from grape seed extract. These added bioflavonoids work synergistically with vitamin C.*
  • Provides Ester-C® vitamin C, which may be more readily absorbed and less rapidly excreted than other forms of vitamin C*
  • Supports a wide variety of biochemical reactions including antioxidant activity, detoxification, immune system function, and collagen integrity*

 As a dietary supplement, 1 or 2 capsules one or two times daily between meals, or as directed by a healthcare practitioner.

Serving Size: 2 Capsules

Amount Per Serving:
Vitamin C ... 1.35mg
(as Calcium Ascorbate)
Calcium ... 150mg
(as Calcium Ascorbate)
Rutin ... 100mg
Quercetin ... 50mg
Proanthocyanidins ... 5mg

Other ingredients: Hydroxypropyl methylcellulose, magnesium stearate, silicon dioxide.

These nutrients are of the highest quality and purity obtainable, and do not contain preservatives, diluents, or artificial additives.

Variations in product color may occur.


This statement has not been evaluated by the U.S. Food and Drug administration. The product is not intended to diagnose, treat, cure, or prevent any disease.

Similar products
C+BioFizz Effervescent Powder product image

C+BioFizz Effervescent Powder

Designs for Health

144 Grams

Log in for pricing

Optimal Vitamin C Plus Powder product image

Optimal Vitamin C Plus Powder

Seeking Health

164 Grams



Ester-C® & Flavonoids product image

Ester-C® & Flavonoids

Pure Encapsulations



Stellar C product image

Stellar C

Designs for Health

90 capsules

Log in for pricing