Quercetin 500 MG | GNC

Product Information



A potent bioflavoniad that protects against free radical damage*


Nutrition Facts
Serving Size  1 Caplet(s)
Servings Per Container  60

Amount Per Serving     % DV

Quercetin (as Quercetin Dihydrate)  500 mg   **

** Daily Value (DV) not established.
Other Ingredients
Cellulose, Food Glaze
Label (click image to enlarge)

How To Use

As a dietary supplement, take one caplet daily. For maximum support, take as directed every day.
Distributed by: General Nutrition Corporation Pittsburgh, PA 15222


4.2 / 5.0
9 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Good for my health
September 8, 2018
2 months ago
Helps relieve allergy symptoms without taking medicine. And therefore save money. Must take year round for effectiveness.
July 25, 2018
1 year ago
Great product
Helps my sinuses & allergies tremendously.

September 8, 2017
help in ridding the body of old,worn out,useless cells that could become cancerous must go. So if there are any natural substance or compounds that would help ,I'm game. Thanks for always offering the best in natural health care.
July 13, 2017
1 year ago
Doesn't Work
Did not work for me. I've been taking this for a couple of months and saw no difference.
June 25, 2017
1 year ago
Haven't felt any different yet...only on it a week
Need more time
March 8, 2017
This helps my immune system.
Take with other supplements once a day.
January 19, 2015
tremendous... very satisfied.
March 22, 2014
I would buy this product again and have!
Suffered from allergies all year round. After one day noticed allergies going away. Stopped taking antihistimine, decongestant and also Prilosec for heart burn. It calms digestion and respitory. I would not have believed it. ABSOLUTELY RECOMMEND QUERCETIN!
February 16, 2014
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Browse 8 questions Browse 8 questions and 9 answers
What is the source of this Quercetin please?
A shopper on Mar 27, 2014
BEST ANSWER: The sources of quercetin are the deep, dark red and purple fruits, onions, broccoli and green leafy vegetables.
any with vitiamin c and quercetin together?
A shopper on May 19, 2016
Please answer what this supplements source is?
I think your first answer was vague.
A shopper on Mar 19, 2017
How long are the dates can be stored?
A C on Jul 3, 2016
Will quercetin stop hair loss?
A shopper on Mar 19, 2017
BEST ANSWER: None of the research I have done shows it does this, I take it for allergies.
2or 3 month ago I bought this Quercetin ,and the tablet color is white,this month I bought a 2nd one,but the tablet color becomes a lilttle yellow, is it normal?
Angel L on Jul 25, 2018
BEST ANSWER: In at least 5 years of buying Quercitin from GNC I have not run across a white tablet; always yellow.
Does this help with people working night shift and feeling tired all the time regardless of the amount of sleep?
A shopper on Mar 19, 2017
BEST ANSWER: no, try a B12 with vitamin C, a good diet and sleep. Quercetin is a natural health defence!
Is there a powdered form or capsule?
A shopper on Jun 29, 2018