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Thorne Quercetin Phytosome - Exclusive Phytosome Complex for Immune Health, Respiratory Support, and Seasonal Allergy Relief - 60 Capsules

  • Based on 1,913 reviews
Condition: New
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As low as $9 / mo
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Availability: Only 1 left in stock, order soon!
Fulfilled by River of Human Health

Arrives Jul 3 – Jul 8
Order within 23 hours and 30 minutes
Available payment plans shown during checkout

Features

  • Immune Function: Provides year-round immune support by promoting various types of immune cells that are necessary for an optimized immune response*
  • Respiratory Support: Supports a healthy inflammatory response in the respiratory tract*
  • Healthy Aging: Mitigates oxidative stress and supports cellular health*
  • Seasonal Allergies: Benefits allergy sufferers by helping to regulate histamine release*
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams

Brand: Thorne


Item Form: Capsule


Primary Supplement Type: Magnesium


Diet Type: Gluten Free


Flavor: Unflavored


Product Dimensions ‏ : ‎ 2.09 x 2.09 x 3.72 inches; 2.08 Ounces


Date First Available ‏ : ‎ June 5, 2014


Manufacturer ‏ : ‎ Thorne Research


Country of Origin ‏ : ‎ USA


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jul 3 – Jul 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Amazing for people that suffer from allergies, would highly recommend
I have long suffered from allergies seasonally. Every year like clockwork September through November, and April through May, I get intense headaches, runny nose, scratchy throat, and many other symptoms associated with allergies. Sometimes my allergies are so bad that I have sneezing fits wher I sneeze for five minutes nonstop. I have always relied on over-the-counter medication‘s like Claritin and Nasonex to help me. That is until I found this. This pill works so well, and I like that I don’t have to worry about the fact that it’s a pharmaceutically, manufactured chemical, but a naturally occurring compound found in plants. By this medicine, if you suffer from allergies, I know it will help you. ... show more
Reviewed in the United States on December 2, 2022 by Nick

  • High quality supplement
I like this brand and am very happy with this product. It’s worth paying a little more for high quality and these work wonders for my health issues.
Reviewed in the United States on August 2, 2023 by David Kleiman

  • Noticable effects
Been really trying to focus on my nutrition and after adding this I could honestly feel more energy, kind of hard to put it into words, but I will continue taking it.
Reviewed in the United States on October 12, 2023 by Tom H.

  • Quick Transaction!
Excellent Product!
Reviewed in the United States on July 18, 2023 by Gil Harbach

  • Remedio para la alergia
Todavia estoy investigando como me funcionan. Necesito por lo menos tomarme la mitad de las pastillas para poder determinar su eficacia. Hasta ahora parecen ser efectivas.
Reviewed in the United States on August 16, 2022 by Amazon Customer

  • Better Than Antihistamines!
I've developed something called Mast Cell Activation Syndrome, aka histamine intolerance. I'd never had allergies in my life, other than a mold sensitivity. But I've had Post Lyme Disease Syndrome for over 20 years, a condition that makes your immune system act whacky, including making your body intolerant to histamine. First I developed a hoarse throat and chronic cough but never connected it to allergies until the itching all over my body started. That's when I started trying various antihistamines, with limited success. So I talked to my doctor and he recommended Quercetin. He specifically suggested Thorne Research as a safe and reputable brand. So I ordered it from Amazon, honestly not really believing it would help. My doctor is really good though, so I thought I should give it a shot. And WOW! Within 15-20 minutes of taking a pill, the itching stopped. It also greatly improved my hoarseness and cough. My doc recommends taking it 3 times a day, but I tend to take it twice a day or when the itching starts because I usually forget the midday dose. I wish I could remember though, because I probably wouldn't have any itching episodes if I took it the recommended 3x a day. Anyway, if you've got allergies or MCAS, I really recommend giving this a try. It's a simple plant pigment (flavanol) which has got to be so much healthier than the various antihistamines on the market, which can have some pretty serious side effects. I have a friend who was prescribed daily antihistamines and ended up dying from not being able to breathe because her throat swelled up. Despite receiving CPR, she died before the ambulance got there, probably because her airway was blocked. She told me before she died that one of the listed, rarer side effects of the antihistamine she was taking, is throat swelling, which she was experiencing and even went to the ER for. So she was already suspicious of what was causing her symptoms. I just wish I'd known about Quercetin before she died needlessly. ... show more
Reviewed in the United States on December 19, 2019 by pen

  • Great value
Feel like I’m getting one of the best available.
Reviewed in the United States on October 18, 2023 by joangel3

  • Effective, trusted, supplement. Good quality product.
I trust Thorne products. Quercetin helps me with food allergies. If taken at night, I don't wake up congested. Zinc is also good for food allergies. I take both. I'm doing much better since being on these products.
Reviewed in the United States on February 9, 2023 by Suzy Q

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