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Activated Quercetin Bioflavonoid Complex – Seasonal & Immune Support (100 Tablets)

Rated 4.5 out of 5
4 Reviews|2 Questions | 29 Answers|
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      Dairy FreeGluten FreeSugar FreeVegetarianSoy FreeWheat Free
      GET ADVICE FROM A HEALTH ENTHUSIAST
      $19.99
      ($0.60/serving)
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      These products are dietary supplements and are not intended to diagnose, treat cure or prevent any disease. Reviews are not intended as a substitute for appropriate medical care or the advice of a physician or another medical professional. Actual results may vary among users. Vitaminshoppe.com makes no warranty or representation, expressed or implied, as to the accuracy or validity of the information contributed by outside product review submissions, and assumes no responsibility or liability regarding the use of such information. The information and statements regarding the dietary supplements have not been evaluated by the Food and Drug Administration. If you have a medical condition or disease, please talk to your health care provider. If you are currently taking a prescription medication, you should work with your health care provider before discontinuing any drug or altering any drug regimen, including augmenting your regimen with dietary supplements. Do not attempt to self-diagnose any disease or ailment based on the reviews and do not use the information contained herein for diagnosing or treating a health problem or disease. Proper medical care is critical to good health. If you have a health concern or suspect you have an undiagnosed sign or symptom, please consult a physician or health care practitioner. Online product reviews are a useful resource for, but The Vitamin Shoppe believes that customers who rely on those reviews should get a true and accurate picture of what other customers think. For that reason, we put procedures in place to ensure the reviews you see are real and honest. Additionally, we won't edit reviews to alter the message and we will always treat positive and negative reviews equally.
      ×
      These products are dietary supplements and are not intended to diagnose, treat cure or prevent any disease. Reviews are not intended as a substitute for appropriate medical care or the advice of a physician or another medical professional. Actual results may vary among users. Vitaminshoppe.com makes no warranty or representation, expressed or implied, as to the accuracy or validity of the information contributed by outside product review submissions, and assumes no responsibility or liability regarding the use of such information. The information and statements regarding the dietary supplements have not been evaluated by the Food and Drug Administration. If you have a medical condition or disease, please talk to your health care provider. If you are currently taking a prescription medication, you should work with your health care provider before discontinuing any drug or altering any drug regimen, including augmenting your regimen with dietary supplements. Do not attempt to self-diagnose any disease or ailment based on the reviews and do not use the information contained herein for diagnosing or treating a health problem or disease. Proper medical care is critical to good health. If you have a health concern or suspect you have an undiagnosed sign or symptom, please consult a physician or health care practitioner. Online product reviews are a useful resource for, but The Vitamin Shoppe believes that customers who rely on those reviews should get a true and accurate picture of what other customers think. For that reason, we put procedures in place to ensure the reviews you see are real and honest. Additionally, we won't edit reviews to alter the message and we will always treat positive and negative reviews equally.
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      Activated Quercetin Bioflavonoid Complex – Seasonal & Immune Support (100 Tablets)
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      Slide 1 of 3

      Product Info

      About This Product

      • Promotes healthy immune function
      • Supports seasonal health
      • Free of gluten, dairy, soy, preservatives, and artificial colors or flavors

      Activated Quercetin by Source Naturals delivers seasonal and immune support with quercetin: a unique plant-based bioflavonoid that has been shown to modulate histamine release. In addition, this formula features bromelain, vitamin C, and magnesium to activate and optimize quercetin’s benefits while providing immune, respiratory, and antioxidant support.

      Read More

      Directions

      3 tablets 1 to 2 times daily in divided doses, between meals. If you have a delicate, easily irritated stomach, take with meals.

      Warning

      If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.

      Updated Jan 15, 2026
      Read More

      Supplement Facts

      Serving Size: 3 Tablets
      Number of Servings: 33 Servings
      Amount Per Serving
      % Daily Value
      CALORIES   
      10 
      N/A*
      TOTAL CARBOHYDRATE   
      1 GM
      <1%
      PROTEIN   
      1 GM
      1%
      VITAMIN C   
      700 MG
      778%
      MAGNESIUM  - (AS MAGNESIUM CITRATE)
      50 MG
      12%
      QUERCETIN   
      1 GM
      **%
      BROMELAIN  - (2,000 G.D.U. PER GRAM)
      300 MG
      **%

      Other Ingredients:

      Sorbitol, stearic acid, modified cellulose gum, silica, and magnesium stearate.

      Does Not Contain:

      Preservative Free, Free of Artificial Flavors, Free of Artificial Colors

      How Do You Read A Supplement Facts Label?

      Specifications

      Brand:
      Source Naturals
      Form:
      Tablet(s)
      Strength:
      1000 MG
      Serving Size:
      3 Tablets
      Number of Servings:
      33 Servings
      Price per Serving:
      ($0.61 / serving)
      Product Weight:
      5  OZ
      Allergens:
      Egg Free, Soy Free, Wheat Free
      Specialty Diets:
      Dairy Free ,  Gluten Free ,  Sugar Free ,  Vegetarian ,  Yeast Free
      Item # :
      SR-2102 / 1229329

      Product Reviews
         (4)

      Disclaimer:

      Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews.Please read the full product reviews disclaimer.

      4 Ratings
      4.5out of 5 stars
      4 Ratings

      Rated 5 stars by 75% of reviewers

      575%

      Rated 4 stars by 0% of reviewers

      40%

      Rated 3 stars by 25% of reviewers

      325%

      Rated 2 stars by 0% of reviewers

      20%

      Rated 1 star by 0% of reviewers

      10%
      Would you recommend?
      4 Reviews
      • checkMost Recent
      • Most Helpful
      • Oldest
      • Highest Rated
      • Lowest Rated
      • (3)
      • (0)
      • (1)
      • (0)
      • (0)
      • Under 18 (0)
      • 18-24 (0)
      • 25-34 (1)
      • 35-44 (0)
      • 45-54 (0)
      • 55-64 (1)
      • 65+ (1)
      Dec 27, 2025
      Rated 5 out of 5
      This product changed my life for the better
      I was having episodes where I would become temporarily paralyzed and unable to speak. It was terrifying. When I take this, my episodes are greatly reduced. Many days, I now have zero episodes since I have been taking 3 pills per day for many days in a row. I have my brain back. I have my life back. I am so happy. Thank you to all of the people who help manufacture, sell and ship this product.
      Heather Y
      Location
      Grand Rapids, MI, US
      Gender
      Female
      Age Range
      25-34
      Would you recommend?Yes
      Was this helpful?
      Review by Heather Y has been flagged
      Flag
      Jan 13, 2025
      Rated 5 out of 5
      LOVE this product!!!
      I absolutely LOVE this product! I am 73 years old and have seasonal allergies. For most of my life I have had to depend on Benadryl to be able to breathe ... until I discovered quercetin. I have tried several brands, but I find that Source Naturals works far better for me than the others. I also find that the tablets work better for me than the capsules. If I'm congested in the morning, I will take one tablet. If there's no significant improvement in a half hour, I'll take another and that…
      Katherine M
      Location
      MAPLE SHADE, NJ, US
      Gender
      Female
      Age Range
      65+
      Would you recommend?Yes
      Was this helpful?
      Review by Katherine M has been flagged
      Flag
      Jun 8, 2021
      Rated 3 out of 5
      I was hoping for more.
      Did not appear to work as I wanted.
      Robert GVerified Purchaser
      Location
      Stuart, FL, US
      Would you recommend?No
      Purchased on Apr 30, 2021
      Was this helpful?
      Review by Robert G has been flagged
      Flag
      Jul 12, 2020
      Rated 5 out of 5
      Good
      Good product
      larry bVerified Purchaser
      Location
      Monroe , MI, US
      Gender
      Male
      Age Range
      55-64
      Would you recommend?Yes
      Purchased on Apr 11, 2020
      Was this helpful?
      Review by larry b has been flagged
      Flag
      Disclaimer:

      Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews.Please read the full product reviews disclaimer.

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      2 Questions
      Why did you choose this?
      The Vitamin ShoppeStore

      Twice the quercetin of the brand my doctor recommended, so I take fewer pills.

      ShandraFeb 14, 2022

      Support for Immune system

      DONNA CSep 2, 2021

      I keep up with science

      ENRIQUE CMay 31, 2021

      Seasonal cold and allergies

      Mary POct 26, 2020
      Question: is the Source Naturals "Activated Quercetin" tablet chewable or not? If not, is it larger than a dime in circumference? Thank you.
      Rachel RDec 10, 2012

        Not chewable. It is oblong and about the length of a dime on the longest part. If you took 2 regular peanuts out of the shell and laid them end to end they would be about the same size. I take 100mg Quercitin and 500 mg Dong Quai for joint inflammation. They work much better than the Lortabs I was taking for 2 years.

      Paul GDec 26, 2012
      Reply
      Inaccurate
      Answer by Paul G has been flagged

        The tablet is not designed to be chewable, although I've never tried to chew it. In terms of size, it is probably a slim millimeter or two longer than a dime (almost the same), but much more narrow. It is oblong in shape. Hope this helps. I've used this product on-and-off for a few years and have been pleased with it.

      Keith LDec 11, 2012
      Reply
      Inaccurate
      Answer by Keith L has been flagged

      Thanks much! I will likely give it a try.

      Rachel

      Rachel RDec 11, 2012
      Reply

        Hello Rachel,
      No the Quercetin is not a chewable tab but it is not larger than a dime in circumference. It is probably a 1/2 in. long and very thin . Very easy to swallow. I HATE taking any kind of pills but this one goes down very easily. Hope this helps.

      debbie pDec 17, 2012
      Reply
      Inaccurate
      Answer by debbie p has been flagged

        I don't think this is a chewable. It is quite a large pill, not the largest, but still big. Yes, bigger than a dime width wise.

      Carol SDec 12, 2012
      Reply
      Inaccurate
      Answer by Carol S has been flagged

      Vote for the best answer above!

      Disclaimer:

      Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews.Please read the full product reviews disclaimer.

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      BrandSource Naturals
      HomeVitamins & SupplementsLetter VitaminsActivated Quercetin Bioflavonoid Complex – Seasonal & Immune Support (100 Tablets)
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      Vitamin Shoppe® 100% Satisfaction Guarantee
      Free shipping applies to Auto Delivery replenishment orders when the total value of all subscribed items exceeds $25 after discount is applied. Shipping surcharge may apply if delivered to Alaska or Hawaii.
      One-time coupon discounts don’t carry over to recurring orders.If a coupon offer is applied to purchase of multiple items (i.e. “Buy One, Get One 50% Off, Buy 2, Get 1 Free, etc...) and you select Auto Delivery, all items will be added as recurring orders.
      You may return any item purchased from the Vitamin Shoppe for any reason within thirty (30) days of purchase. For online and catalog orders, the product ship date is the date of purchase. Refunds for unopened items will be issued via your original form of payment with one exception. Online orders paid for with PayPal and returned to a Vitamin Shoppe retail store will be refunded via merchandise credit.
      ×

      AUTO DELIVERY
      Auto Delivery is the best way to put your wellness goals first—and enjoy huge savings every time! We’ll send your essentials at a pace you choose (switch it up any time).
      • Forever Savings: You’ll get 20% off The Vitamin Shoppe® and Vthrive The Vitamin Shoppe® brands, 15% off everything else. Every subscription order. Every time.
      • Never Run Out: Stay effortlessly stocked up with your essentials.
      • Easily Manage: Use our app to easily manage subscriptions.
      • Free Shipping on Refills: Zero cost to replenish products of $25 or more.
      • View Auto Delivery FAQs for additional information
      Rely on the
      Vitamin Shoppe® 100% Satisfaction Guarantee
      Free shipping applies to Auto Delivery replenishment orders when the total value of all subscribed items exceeds $25 after discount is applied. Shipping surcharge may apply if delivered to Alaska or Hawaii.
      One-time coupon discounts don’t carry over to recurring orders.If a coupon offer is applied to purchase of multiple items (i.e. “Buy One, Get One 50% Off, Buy 2, Get 1 Free, etc...) and you select Auto Delivery, all items will be added as recurring orders.
      You may return any item purchased from the Vitamin Shoppe for any reason within thirty (30) days of purchase. For online and catalog orders, the product ship date is the date of purchase. Refunds for unopened items will be issued via your original form of payment with one exception. Online orders paid for with PayPal and returned to a Vitamin Shoppe retail store will be refunded via merchandise credit.
      ×

      AUTO DELIVERY
      Auto Delivery is the best way to put your wellness goals first—and enjoy huge savings every time! We’ll send your essentials at a pace you choose (switch it up any time).
      • Forever Savings: You’ll get 20% off The Vitamin Shoppe® and Vthrive The Vitamin Shoppe® brands, 15% off everything else. Every subscription order. Every time.
      • Never Run Out: Stay effortlessly stocked up with your essentials.
      • Easily Manage: Use our app to easily manage subscriptions.
      • Free Shipping on Refills: Zero cost to replenish products of $25 or more.
      • View Auto Delivery FAQs for additional information
      Rely on the
      Vitamin Shoppe® 100% Satisfaction Guarantee
      Free shipping applies to Auto Delivery replenishment orders when the total value of all subscribed items exceeds $25 after discount is applied. Shipping surcharge may apply if delivered to Alaska or Hawaii.
      One-time coupon discounts don’t carry over to recurring orders.If a coupon offer is applied to purchase of multiple items (i.e. “Buy One, Get One 50% Off, Buy 2, Get 1 Free, etc...) and you select Auto Delivery, all items will be added as recurring orders.
      You may return any item purchased from the Vitamin Shoppe for any reason within thirty (30) days of purchase. For online and catalog orders, the product ship date is the date of purchase. Refunds for unopened items will be issued via your original form of payment with one exception. Online orders paid for with PayPal and returned to a Vitamin Shoppe retail store will be refunded via merchandise credit.