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Jarrow Formulas, Quercetin, 500 mg, 200 Capsules

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Jarrow Formulas, Quercetin, 500 mg, 200 Capsules

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Jarrow Formulas, Quercetin, 500 mg, 200 Capsules

In Stock
200 Capsules
200 Capsules
100 Capsules
  • Expiration Date: 02/2019
  • Shipping Weight:
    0.53 lbs
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  • Product Code: JRW-14052
  • UPC Code: 790011140528
  • Package Quantity: 200 Capsules
  • Dimensions:
    3.1 x 3.1 x 5.6 in, 0.45 lbs
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Product Overview


  • Cardiovascular Support
  • Dietary Supplement
  • Vegan

Quercetin is a flavonol (a subclass of flavonoids) and is an effective antioxidant, providing cardiovascular support by reducing oxidation of LDL. Quercetin is one half of the rutin molecule, another flavonol, and is the more active antioxidant.

Suggested Use

Take 1 capsule per day with meals or as directed by your qualified healthcare professional.

Other Ingredients

Cellulose, magnesium stearate (vegetable source) and silicon dioxide. Capsule consists of hydroxypropylmethylcellulose.

No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.

Suitable for vegetarian/vegan.


Note: If you have a medical condition, are pregnant, lactating, trying to conceive, under the age of 18, or taking medications, consult your healthcare professional before using this product.

Keep out of the reach of children.

Supplement Facts
Serving Size: 1 Capsule
Servings Per Container: 200
  Amount Per Serving % Daily Value
Quercetin 500 mg *
*Daily Value not established.
iHerb Customer Reviews

Good For Allergy but ....

Posted by iHerb Customer on Oct 13, 2017 | Verified Purchase

I read about Quercetin being a natural antihistamine. Since I was fighting allergic symptoms I thought I give it a go. Took this for two weeks and I found it beginning to help reduce congestion in my nose. But because I am low on estrogen and am on hormone therapy, I noticed since taking it, it has led to the return of some menopausal symptoms like palpitation. I stopped Quercetin for a week and true enough, the menopausal symptoms went away. Thus, while this product is good for allergies, women low on estrogen need to be careful with it.

Thanks for your feedback!

Seems to alleviate my skin allergy

Posted by iHerb Customer on Sep 17, 2017 | Verified Purchase

It works a bit, good.

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Great anti histamine replacement

Posted by iHerb Customer on Aug 12, 2017 | Verified Purchase

Since finding this I have been amazed at all that it does. Helps with allergies to anything making eating out less dangerous as long as you also take this at the beginning or before eating. It also has anti cancer properties I read to help if you have a blood cancer like Leukemia. It is great if you have histamine intolerance to reduce the histamines. Of course this does not mean that you can eat those histamine foods all the time but the occasional indulgence will be less harmful using this before the meal. Its good to take some anytime you eat out just to be sure. I take two with each meal.

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This product is effective

Posted by iHerb Customer on Jul 26, 2017 | Verified Purchase

It be good to have more information on its benefits on your site.

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Great product for MCAS

Posted by iHerb Customer on Jul 04, 2017 | Verified Purchase

I use this in conjunction with other things for MCAS; it's working great. Easy to take, minimum side effects. Can cause a slight headache in the beginning in higher doses but it's easily manage with magnesium.

Thanks for your feedback!