Left Continue shopping
Your Order

You have no items in your cart

Free Shipping for all orders $80+

Solgar® Quercetin Complex includes the important bioflavonoid Quercetin in a synergistic formula with Ester-C® Plus to provide unique antioxidants as well as immune health support.* Quercetin is found in onions and other foods. It possesses antioxidant properties which help to fight free radicals.* Ester-C® Plus provides a unique, pH neutral (non-acidic), form of vitamin C that is gentle on the stomach. Ester-C® Plus offers the additional benefits of incorporating acerola berry, citrus bioflavonoids, rutin and rose hips. This formula also features bromelain, a natural enzyme derived from pineapple.*


Vegetable Cellulose, Vegetable Stearic Acid, Microcrystalline Cellulose, Silica, Vegetable Magnesium Stearate.

Free of

Gluten, Wheat, Yeast, Sugar, Salt, Artificial Flavors, Artificial Sweeteners, Artificial Preservatives, Artificial Colors

Suggested Use

As a dietary supplement for adults, take two (2) vegetable capsules twice daily, preferably with a meal or as directed by a healthcare practitioner.


If you are pregnant, nursing, taking any medications or have any medical condition, please consult your healthcare practitioner before taking any dietary supplement. Discontinue use and consult your doctor if any adverse reactions occur. Keep out of reach of children. Store at room temperature. Do not use if outer bottle seal is missing or damaged in any way.


Solgar’s KOF-K certification #K-1250. "Ester-C" and Ester-C® are licensed trademarks of The Ester C Company. Manufactured under U.S. Pat. No’s 6,197,813 and 6,878,744 and corresponding foreign patents.

The Gold Standard
Since 1947

For over 70 years Solgar® has been committed to quality, health, and
well-being. Our ongoing mission is to create the finest nutritional
supplements in small batches, made possible through tireless research,
using only the finest raw materials.

When it comes to quality, Solgar® is The Gold Standard.


Science-Backed Formulas

Responsibly Sourced Ingredients

Avoiding the Use of Artificial Ingredients or Fillers

Small Batch, In-House Manufacturing

Highest Quality Standards:
USP Water Filtration, HEPA Air Filtration

Thriving Under Pressure: Four Supplements for Stress & Anxiety

Thriving Under Pressure: Four Supplements for Stress & Anxiety

Stress is unavoidable, but these supplements can help you cope with its negative effects.
Read more
7 Vitamins & Nutrients for Healthy Hair, Skin, and Nails

7 Vitamins & Nutrients for Healthy Hair, Skin, and Nails

Healthy hair, skin, and nails begin within. Learn seven essential vitamins and nutrients for healthy hair, skin, and nails.
Read more
Can Supplementing Amino Acids Support Your Fitness Goals?

Can Supplementing Amino Acids Support Your Fitness Goals?

Learn what amino acids are and how they can help support muscle growth.
Read more