Quercetin
"Highly recommend this product for a boost in your immunity. Helps the body fight flu and colds and I wouldn’t be without it during flu season."
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The quercetin you want in a straightforward supplement for efficacious support: This single-nutrient formula delivers a potent dose of the powerful flavonoid—day in and day out.*
Quercetin, Vegetable Cellulose Capsule, Silica, Stearic Acid and
Cellulose.
Use only as directed. Take 1 VegCap daily with a meal or glass of water. Store in a cool, dry place.

Found naturally in fruits and vegetables, Quercetin provides potent bioflavonoid support to help your body stay feeling and functioning at its best.*
Since 1973, Solaray has believed that what you put in your body should be proven, not promised.
We source our own raw materials and triple-test every lot.
We manufacture 95% of our products for full control.
15,000 tests per month verify ingredient potency and purity.^

In an industry where quality can vary widely, testing isn't just a step in the process. It is the process.
✅ Passed Testing for Heavy Metals**
Arsenic, cadmium, lead, mercury
✅ Passed Testing for Microbials**
Mold, yeast, coliform, e. Coli
✅ Passed Testing for Contaminants**
Gluten, ethylene oxide
✅ Passed Testing for Physical Properties
Moisture, color, disintegration, tap density, mesh 140, 20, and 60
**Most contaminants, heavy metals, and microbes are tested to ensure no more than 3 ppm.

Our production facility in Ogden, Utah is a GMP facility certified by NSF. We source and triple-test raw materials, make the majority of our products in-house, conduct stringent testing in our ISO-accredited lab, and distribute our own products to ensure quality and excellence in every bottle.
Disclaimer: The customer reviews and testimonials featured on this site reflect individual experiences and opinions. Results may vary and are not guaranteed. These statements have not been evaluated by the Food and Drug Administration (FDA). The content is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before starting any new supplement regimen or if you have concerns about your health.
Overall rating: 4.8717947 / 5 from 39 reviews.
Review topics: ["quality","delivery","vitamins","brand"].
"Highly recommend this product for a boost in your immunity. Helps the body fight flu and colds and I wouldn’t be without it during flu season."
— Marilyn D. (5/5)
"This is my first time using quercetin. I’ve heard of its multiple health benefits, including fighting inflammation and immune function support. I take it in combination with zinc and vitamin C. seeing great results. If I do start feeling sick, it’s only for a half day or so. The next day I’m feeling fine! I’m sure it’s due to the supplements. I’ve been taking Solaray supplements for over 20 years. Great quality products!"
— Janene S. (5/5)
"Great product. Take it every day"
— Sheri H. (5/5)
"I take Quercetin primarily to reduce allergy symptoms. It seems to work, and this is the best brand I’ve tried."
— Carole A. (5/5)
"Top quality vitamins only! I don’t just buy any vitamins. Why waste money buying junk when you can buy the best?! Love all the Solaray products, particularly Quercetin."
— Morgan T. (5/5)
"It keeps me from getting sick"
— William B. (5/5)
"Good source for important supplements"
— Dale I. (5/5)
"Thank you!"
— Connor F. (5/5)
"It dropped my PSA down by 5 points"
— Bobby (5/5)
"I did not order Quercetin. I wanted to order Turmeric but I couldn’t get to it on my phone. I was very disappointed in the site page. It was very difficult to manage"
— Linda P. (5/5)
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.