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Natrol, Quercetin, 500 mg, 50 Capsules (Discontinued Item)

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Natrol, Quercetin, 500 mg, 50 Capsules (Discontinued Item)

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Natrol, Quercetin, 500 mg, 50 Capsules (Discontinued Item)

Out of Stock - Discontinued
  • Shipping Weight:
    0.18 lbs
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  • Product Code: NTL-00908
  • UPC Code: 047469009083
  • Package Quantity: 50 Capsules
  • Dimensions:
    4.3 x 2 x 2 in, 0.15 lbs
    Switch to Metric units

Product Rank:

#28 in Quercetin >
Frequently Purchased Together
Product Overview


  • 500 mg Per Serving
  • Supports Immune Health
  • High Potency Antioxidant Formula
  • Dietary Supplement

Natrol Quercetin combines Quercetin with high potency Vitamin C and Citrus Bioflavonoids—compounds naturally found together in a variety of healthy plant-based foods. The result is an advanced antioxidant formula to support immune health.

Suggested Use

Take 2 capsules, one time daily, with a meal.

Other Ingredients

Gelatin, magnesium stearate, silica, water.

No yeast, wheat, milk, egg, soy, glutens, artificial colors or flavors, added sugar or preservatives


Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.

Store in a cool, dry place.

Keep out of reach of children.


While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
Supplement Facts
Serving Size: 2 Capsules
Servings Per Container: 25
  Amount Per Serving %DV
Vitamin C (as Ascorbic Acid) 1,000 mg 1,667%*
Quercetin 500 mg **
Citrus Bioflavonoid Complex
(may be derived from Lemon, Orange, Lime, Tangerine)
100 mg **
*Based on a 2,000 calorie diet.
**Daily Value (DV) not established.
iHerb Customer Reviews

worked for me

Posted by iHerb Customer on January 12 2018 | Verified Purchase

not for my mom/ i love all the vit c if im feeling slow or a cold coming on ill take one

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Super for clearing sinuses

Posted by iHerb Customer on December 3 2017 | Verified Purchase

Our go-to product for opening stuffed sinuses and for stopping a runny nose. My husband has seasonal allergies and takes this during those times too, instead of drugs. It kicks in subtly and wears off in about 6 hours. It's not habit-forming and doesn't cause drowsiness. Usually just one capsule does the job.

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Necessary for allergies

Posted by iHerb Customer on November 1 2017 | Verified Purchase

This is absolutely necessary if you have allergies!

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Really useful for allergies

Posted by iHerb Customer on September 10 2017 | Verified Purchase

I use this product to treat my seasonal allergies. I have tried many quercetin products but this has been the best for me. It helps me with runny nose and watery eyes.

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Posted by iHerb Customer on September 9 2017 | Verified Purchase

Good, bought 2nd time, price is so kind。

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