Verified Buyer
“Excellent product; will reorder as I am confident in the quality and overall peace of mind taking this supplement.”

Diane P.

Immune health

Quercetin

Award logo
IGEN Non-GMO IGEN is an independent third-party program that tests for the presence of GMOs. The IGEN non-GMO icon is displayed on all tested Carlson omega-3 products. Learn more
Award logo
Reduced Plastic 100% plastic neutral — for every product purchased, Carlson removes the same amount of plastic from waterways. Learn more
Award logo
Potency and Purity Guaranteed Every Carlson vitamin, mineral, and specialty supplement is lab tested for potency and purity. Learn more

  • Immune Function

  • Seasonal Support

  • Antioxidant

Size:
Notify Me When Available
Out of stock
Capsules

Suggested use: Adults: take two capsules daily at mealtime.

Perks of Subscribing

  1. YOU START HERE
    Welcome

    15% off every order
    + extra 5% off next order

  2. 2nd delivery
    E-Gems
    FREE GIFT
    E-Gems · 90 Soft Gels
  3. 3rd delivery 5% off next order
  4. 4th delivery
    Super Daily D3
    FREE GIFT
    Super Daily D3 · 1,000 IU
  5. 6th delivery 5% off next order
  6. 9th delivery 150 bonus points
  7. 12th delivery 300 bonus points
  • Promotes healthy immune system function
  • Helps manage seasonal discomfort
  • Supports cardiovascular and skin health
  • 500 mg of quercetin per serving | vegetarian
  • Lab tested for potency and quality

Quercetin is a powerful bioflavonoid found in grape skins, red onions, apples, and green tea. It promotes a healthy, normal immune response and helps manage seasonal discomfort. Quercetin also supports cardiovascular and skin health, and is a powerful antioxidant that helps neutralize harmful free radicals. A single serving provides 500 mg of Quercetin in vegetarian capsules. Carlson Quercetin is tested by an FDA-registered laboratory for potency and quality. 

AWARD-WINNING QUALITY

Award logo
IGEN Non-GMO IGEN is an independent third-party program that tests for the presence of GMOs. The IGEN non-GMO icon is displayed on all tested Carlson omega-3 products. Learn more
Award logo
Reduced Plastic 100% plastic neutral — for every product purchased, Carlson removes the same amount of plastic from waterways. Learn more
Award logo
Potency and Purity Guaranteed Every Carlson vitamin, mineral, and specialty supplement is lab tested for potency and purity. Learn more
Adults: take two capsules daily at mealtime.

Family-owned since 1965 · Female-led · 300+ vitamins, minerals & omega-3s

Overall rating: 5.0 / 5 from 2 reviews.

AI Generated Review Summary

Summary topics

Review topics: [].

Review highlights

Reviews

great product, very pleased!

"great product, very pleased!"

— LOUISE H. (5/5)

Happy

"Happy"

— Toni W. (5/5)

Q&A