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Swanson Premium

High Potency Quercetin

Item: SW1092

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Retail $17.99
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650 mg 60 Caps

Caps Size: OO, Pill Size Guide

  • Free-radical-fighting flavonoid



  • Protects blood vessels and immune system cells



  • Potent 650 mg per capsule


Fortify the antioxidant defenses for your cardiovascular system and your whole body with the all-natural free-radical-fighting power of Swanson Quercetin. A natural antioxidant flavonoid found in onions, apples, green tea and other plant sources, quercetin delivers valuable free-radical protection for blood vessels and other vital tissues throughout the body. It has also been gaining the attention of nutrition researchers for its potential to help maintain a healthy prostate. Our high potency capsules are an excellent, economical way to incorporate this natural defender into your wellness plan.

Lee Swanson, President

Risk-Free Purchase Guarantee

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping. Lee Swanson, President of Swanson Health Products

Product Description:

High Potency Quercetin

"I have used querciten for about 2 years now. This product is not only an effective free-radical fighter, but works well as an endurance supplement." ~product review by drummer1

  • Free-radical-fighting flavonoid



  • Protects blood vessels and immune system cells



  • Potent 650 mg per capsule


Fortify the antioxidant defenses for your cardiovascular system and your whole body with the all-natural free-radical-fighting power of Swanson Quercetin. A natural antioxidant flavonoid found in onions, apples, green tea and other plant sources, quercetin delivers valuable free-radical protection for blood vessels and other vital tissues throughout the body. It has also been gaining the attention of nutrition researchers for its potential to help maintain a healthy prostate. Our high potency capsules are an excellent, economical way to incorporate this natural defender into your wellness plan.

Product Label:

High Potency Quercetin

Supplement Facts

Serving Size 1 Capsule

  Amount Per Serving % Daily Value
Quercetin (from quercetin dihydrate) 650 mg *

*Daily Value not established.

Other ingredients: Gelatin, rice flour, may contain one or both of the following: magnesium stearate, silica.

Suggested Use: As a dietary supplement, take one capsule one to two times per day with water.

Terms and Ingredient Definitions

High Potency Quercetin

Swanson $10.99
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Swanson Premium High Potency Quercetin Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

High Potency Quercetin 4.8 5 26 42
High Potency Quercetin Great product. Buy this for years. will continue. September 10, 2014
Great for energy I did a lot of research before I bought this product. I usually get very tired in the afternoon at work. I take 1 pill after lunch and usually feel much better. I tried stopping and could really feel the difference. My son and I both take it religiously. July 29, 2014
very good supplement I have read that this supports the urinary system so I am glad I take 1 capsule mornings. July 18, 2014
High Potency Quercetin This is an excellent supplement; great value and timely in shipping. It helps support good prostate health! November 26, 2013
This product gives me endurance. I exercise a little over 2 hours a day. Not all at once but at different times that add up to a little over 2 hours and this supplement gives me the energy needed to get through my days. I recommend this supplement. November 11, 2013
It's Quercetin I tried a different brand of Quercetin this one came with proper made capsules, they didn't look damaged like the other brand. I just wish the capsule wouldn't contain rice so because of that I ended up removing the capsule and put it in a blend mix. November 1, 2013
Now my favorite quercetin supplement! Yes, a high-potency quercetin formula. I take it year-around for its multiple health benefits. I used to take a significantly smaller dose of quercetin mixed with bromelain, which was also wonderful, but I think between the 2 of them, this is the one I'd pick. 1 bottle at the suggested dose would last 1-2 months, whether or not you take one or two a day. Quercetin must be expensive to make, or is rare, because it is fairly pricey anywhere. Swansons has some of the lowest prices on it, I believe. Bottom line: If you can safely take high-potency quercetin, and you know what it is for, then here is an option for you. I am personally happy with this purchase. September 5, 2013
Using it for years I have been using this for years and that alone says how well it works for me. I was so pleased to find an excellent product at an excellent price at Swanson. June 14, 2013
good product My naturopathic doctor told me this was a good product to take and it is. April 19, 2013
Does what its supposed to I'm happy with this. It's become a part of my daily regimen. April 8, 2013
Quercetin I'm really pleased that Swanson's offers this product. If is an excellent value, high quality. March 25, 2013
Great Best quality of Quercetin that I have purchased from anywhere else February 23, 2013
Dual Benefits Swanson has a produced a quality product here that is quite reasonably priced compared to other competitors. I like the higher dosage (650mg vs 500 mg), as well as the fact that it gives me extra energy. There is also some evidence to support the belief that Quercetin may be beneficial in maintaining a healthy prostate. All things considered, its a high quality supplement that is beneficial to my overall well being and it won't break the bank. I like that. March 20, 2011
Great supplement I take 2 before going to the gym. Research shows a big energy improvment. Cheap to. You have to eat a ton of apples and onions to get as mucg mg as in these pills. December 12, 2010
There was no instant benefits for me. Maybe if taken long enough over a period of time this could change September 24, 2010
For healthy circulation This seems to help with circulation. February 17, 2010
Nothing But Quercetin A lot of Quercetin products on the market are Vitamin C supplements with a little Quercetin thrown in. The Vitamin C levels in these formulas are high, while the Quercetin levels are low. Fortunately, for those of us that already take Vitamin C, Swanson offers this product which is just Quercetin. It is a nice, high potency, Quercetin supplement that is inexpensive. I usually open up the capsule and attempt to mix about half of it with some water, and then I give my wife the other half left in the capsule. It tastes all right, and doesn't completely mix with water. Overall, this product delivers: it is an inexpensive Quercetin supplement. December 28, 2009
Wow! Just Wow! I generally don't write reviews on any product unless is a wow product. A product that really makes a difference in my life and others and in this case this product has been awesome for me and my wife. I was first introduced to Quercetin via another product made popular by a famous cyclist, and as soon as I took the product I felt a difference. Now, the product was great, but out of my price range so I decided to go to my primary online supplement source, Swanson Vitams, and not only did I get more than 200 mg per serving, but I got it at a fraction of the cost of other Quercetin supplements. This to me is important as I order other products and allows me to stretch my buck. Regardless, my wife is the one that has gotten sold with this product. She was constanly feeling tired and you should see her now. She has even told me that she feels the difference when she forgets to take it and I can attest to that. Thank you for making such a great product!!! November 28, 2009
Best Spring Ever Quercetin really helped me this spring. I felt much better than I had in seasons past. I felt that it supported my lungs and normal immune function. I'll be taking it next spring too. Take it too, you'll easily break even on just what you'll save on kleenex! October 10, 2009
i will recommend I searched around for Quercetin and in many sites it was priced as much as 5 and 6 times what swansonvitamins.com offered. Today I am only on my 3 days of taking Quercetin and I will need more time to judge the quality of the product. Value and fast delivery are key to my satisfaction and I will let my friends now about this site. August 19, 2009
Great product I use this along with DIM to fight PMS. Really works. Gives me tons of energy. August 19, 2009
Effective and safe! I have used querciten for about 2 years now. This product is not only an effective free-radical fighter, but works well as an endurance supplement. I first read about this use a couple of years ago in a popular men's publication and thought I'd try it. I play a very vigorous style of drums and had been looking for a safe, natural way of improving my endurance. It seems I've found it. At this price, I always buy a few, it's dirt cheap! I should know, I manage a retail vitamin store! Excellent price, effective product! July 23, 2009
Great Price here! 60 capsules for under 5 bucks - great deal. I open alot of my capsules and pour them in my blender for a blendy drink. If you open this capsule dont spill the yellow powder on your counter. And if you do, use a dry cloth or paper towel to clean it up. Using a wet cloth will make for some serious scrubbing. I will purchase this product again as its priced right. Thanks, Jewels, Ocean Shores WA. July 9, 2009
High Potency Quercetin Since I have been taking it for two weeks only I am not sure just how effective it will be in the long run. So far it seems to be working well. January 28, 2009
Excellent Product I have been taking Quercetin for many months and take it every day. I feel like my body is functioning at its highest level. December 31, 2007
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