Quercetin Plus, 60 vegetarian capsules

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  • Promotes a healthy immune system*
  • Features antioxidant-rich ingredients*
  • Vegan-friendly formula

Click here to order this product directly from our sister company, the Dr. Clark Store.

Immune system support should be a year-round habit in preparation for when you really need protection from various pathogens and inflammation that can wreak havoc on your body.

Energize your wellness strategy with four immune-boosting nutrients in one formula.

Quercetin: A flavonoid with antioxidant properties that fight free radical damage linked to chronic diseases and reduced immune function.* Quercetin also has anti-inflammatory properties.* Persistent inflammation is an underlying cause of some diseases. Quercetin helps to interrupt inflammation pathways to keep inflammation levels in check.* Quercetin also helps to transport zinc across cell membranes, thereby increasing zinc activity.*

Vitamin C: An antioxidant vitamin that protects cells from oxidative stress.* Vitamin C may also assist in the production of white blood cells that help the body fight infection.* Additionally, vitamin C enhances quercetin levels in the blood.*

Zinc: A mineral that is essential for the development and function of immune cells.* Zinc may help to boost immune response by increasing the activity of T-cells and natural killer cells.* Zinc is also a well-known antioxidant.*

Bromelain: The bromelain enzyme is often paired with quercetin to enhance absorption.* Bromelain also has anti-inflammatory properties that support overall wellness.*


Ingredients: Vitamin C (as Ascorbic Acid), Zinc (from Zinc Bisglycinate Chelate), Quercetin Dehydrate, Bromelain, Vegetarian (Hypromellose) Capsule

Suggested Use: Take 2 capsules, preferably on an empty stomach or with food if you have a sensitive stomach.


Store in a cool, dry place. Keep out of reach of children.

Frequently Asked Questions

Q: What is the capsule size?
A: Capsule size 00.

Q: What type of capsule does this product have?
A: The outer capsule shell is made from a vegetarian cellulose called hypromellose.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.