Ester-C & flavonoids Capsules

Regular price $99.95 AUD

Key Benefits

  • Supports Immune System Function
  • Provides Antioxidant Protection
  • Gentle, Well-Absorbed Vitamin C (Ester-C®)
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Enhanced Vitamin C with Bioflavonoids for Immune and Antioxidant Support

Pure Encapsulations Ester-C® & Flavonoids combines highly bioavailable vitamin C with plant-based flavonoids, including quercetin and rutin. This formula supports immune health, collagen formation, and antioxidant defense, promoting overall wellness.

Supports Immune System Function

Provides Antioxidant Protection

Gentle, Well-Absorbed Vitamin C (Ester-C®)

Enhanced with Flavonoids for Synergistic Support

Clean, Allergen-Free Formula

  • Immune Support: Vitamin C supports immune system function and overall health.
  • Antioxidant Defense: Provides potent antioxidants to protect cells from oxidative stress.
  • Enhanced Bioavailability: Ester-C® (calcium ascorbate) ensures efficient absorption and gentleness on the stomach.
  • Flavonoid Synergy: Quercetin and rutin enhance the antioxidant and immune-supporting benefits of vitamin C.
  • Pure and Clean Formula: Made with vegetarian capsules and free from common allergens.

Ingredients (per capsule): Vitamin C (from ChelaMax® calcium ascorbate) 619 mg (688% DV); calcium (from ChelaMax® calcium ascorbate) 68 mg (5% DV); quercetin 50 mg; rutin 100 mg.

Recommended for adults: Take one (1) capsule, 1–2 times daily, with meals, or as directed by a healthcare professional. Do not exceed the recommended dose.

Vegetable capsule (cellulose, water), ascorbyl palmitate.

Free from gluten, dairy and soy.

Consult a Healthcare Provider: If you are pregnant, breastfeeding, have a medical condition or take medication, consult your healthcare provider before use.


Allergy Information: Review all ingredients carefully if you have sensitivities or allergies.

Keep Out of Reach of Children: This product is intended for adult use only.

  • Storage Conditions: Store in a cool, dry place away from direct sunlight.
  • Temperature: Maintain at room temperature (20°C to 25°C / 68°F to 77°F).
  • Packaging: Keep the bottle tightly closed after use to protect from moisture and contaminants.
  • Shelf Life: Refer to the expiration date on the bottle. Do not use past the indicated date.
ESTER-C & FLAVONOIDS FAQSCommon questions about Ester-C & Flavonoids
What is Ester-C & Flavonoids designed to support?

It provides vitamin C and bioflavonoids to support healthy immune function, antioxidant protection, cellular health and blood vessel integrity.

What makes Ester-C different from standard vitamin C?

Ester-C® is a non-acidic, water-soluble form of vitamin C consisting primarily of calcium ascorbate. It also contains naturally occurring vitamin C metabolites and is designed for easy absorption and enhanced retention.

What are the active ingredients in each capsule?

Each capsule provides vitamin C 619 mg, calcium 68 mg, threonic acid 7 mg, quercetin 50 mg and rutin 100 mg.

Why are quercetin and rutin included?

Quercetin and rutin are flavonoids that complement vitamin C’s antioxidant activity. They also provide additional support for healthy cellular function and blood vessel integrity.

Is Ester-C gentler on the stomach?

Its non-acidic calcium ascorbate form may be gentler than standard ascorbic acid for some people. Individual tolerance varies, and taking it with food may help if digestive discomfort occurs.

Does this formula support collagen formation?

Yes. Vitamin C contributes to normal collagen formation, supporting healthy skin, connective tissue, bones, cartilage and blood vessels.

How should I take Ester-C & Flavonoids?

Take one capsule once or twice daily, with or between meals, unless otherwise directed by a healthcare professional.

How long will each bottle size last?

A 90-capsule bottle provides approximately 45–90 days. Two 90-capsule bottles provide approximately 90–180 days, depending on whether one or two capsules are taken daily.

Is Ester-C & Flavonoids vegetarian or vegan?

Yes. The manufacturer identifies the formula as vegetarian and vegan. It is also certified gluten-free and made without dairy or soy ingredients.

Who should seek advice before taking it?

Consult a healthcare professional before use if you are pregnant, breastfeeding, have a medical condition or take medication. People with kidney disease, recurrent kidney stones or iron-overload conditions should also seek advice before using higher-dose vitamin C.