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Wellness Health 5 min read

Top 5 Quercetin Supplements in 2025

Author Jake L.

Jake L.

US Army Veteran • Tuesday 24 , 2025

Quercetin is gaining widespread attention as a natural immune booster and antioxidant powerhouse that also helps fight inflammation and allergy symptoms.

But as demand for quercetin has grown, so has the number of poorly formulated supplements on the market. Some offer low doses, while others skip critical synergistic ingredients like bromelain. That’s why we analyzed the best options and ranked the Top 5 Quercetin Supplements of 2025.

What to Look For in a Quercetin Supplement

  • Effective Dosage

    You want to look for at least 500 mg of quercetin per serving. Be careful to make sure that the dosage is actually for quercetin and not for added ingredients, as some companies will dilute their product with other cheaper ingredients.

  • Made in the USA & Third-Party Tested

    Always choose a supplement that’s made in the USA under strict quality standards. To ensure purity and safety, look for products that are independently tested by third-party labs.

  • Money-Back Guarantee

    Brands that offer a 90-day guarantee show confidence in their product. It gives you time to try the supplement and feel the difference.

  • Fair and Hassle-Free Returns

    It should be easy to return a product if it doesn’t work for you. Avoid brands with unclear or restrictive return policies—look for those that make the process simple and honest.

What to Avoid

  • Underdosed or Diluted Blends

    Some brands mix a tiny bit of Quercetin into a “proprietary blend” with other cheap ingredients. Always check the label for a clearly listed dose of pure Quercetin—at least 500 mg per serving.

  • No 3rd-party testing

    Without third-party testing, you can’t be sure what’s really in the bottle. Choose supplements that are tested for purity and potency.

  • No refund policy

    If there’s no money-back guarantee, think twice. Reliable brands make it easy to return a product if it doesn’t work for you.

  • The Cheapest Option

    Cheaper products often mean weak doses, fillers, or poor sourcing. For something you take daily, it’s worth paying for quality.

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Top 5 Quercetin Supplements in 2025

1. Luma Nutrition Quercetin

by Luma Nutrition

Product image
A+ Overall Grade *
Product image
Overall Grade * A+
REVIEW SCORE 4.9 EXCELLENT
BASED ON 1,477 REVIEWS
  • Benefit icon 1
    American Made

    Made in the USA in an FDA-regulated facility. Luma Nutrition adheres to Good Manufacturing Practices (GMPs).

  • Benefit icon 2
    Contains High Quality Quercetin + Bromelain

    Other brands only contain low dosage or low quality quercetin. Luma Nutrition use superior quality ingredients and includes bromelain to help with absorption.

  • Benefit icon 3
    3rd Party Tested for Potency & Safety

    An independent lab tests all Luma Nutrition products to make sure they’re potent and free from harmful substances.

  • Benefit icon 4
    90 Day Return Policy

    Luma Nutrition offers a fair, 90-day, risk-free, money-back guarantee. If you don't like the product, simply return it for a refund.

  • Made in
    the USA
  • 90 Day Money Back Guarantee
  • 3rd Party Tested For Safety

Pros

  • Contains quality ingredients
  • Positive verified reviews
  • Subscribe & Save options

Cons

  • Sometimes runs out of stock
  • Only available online
Overall

Our Luma Nutrition Quercetin pairs 500 mg of pure quercetin with added bromelain for enhanced absorption and anti-inflammatory synergy. Made in the USA with clinically studied ingredients, it’s a potent, no-nonsense immune and allergy support formula—risk free for 90 days.

  • Sell Out Risk: High
  • FREE shipping
  • 90-Day Guarantee
*Scores and results are based on our ranking system and do no necessarily reflect typical results from the use of these products. Please visit product websites for more information.

2. Designs For Health Quercetin

by Designs For Health

Product image
B+ Overall Grade *

Pros

  • Contains pure quercetin
  • Positive reviews

Cons

  • Expensive

OVERALL

Number two on our list is Designs For Health Quercetin.

This is a well regarded brand, but the biggest problem is that it is priced pretty high.

Overall, Designs For Health Quercetin does use great ingredients, but is definitely one of the more expensive options.

*Scores and results are based on our ranking system and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.

*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.

Please visit product websites for more information.

View Product Details

3. Thorne Research Quercetin

by Thorne Research

Product image
B Overall Grade *

Pros

  • Great quality
  • Strong brand

Cons

  • Expensive
  • Lower dosage

OVERALL

Number three on our list is Thorne Research Quercetin.

Again, this is another brand with a very good reputation for quality. The issue with this product is that the dosage of quercetin is a bit lower at only 250mg per serving.

Overall, Thorne Research Quercetin is not to bad, and could be an option if you are willing to spend top dollar. But it falls short when compared to other products on the list.

*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.Please visit product websites for more information.

*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.

Please visit product websites for more information.

View Product Details

4. Mt. Angel Quercetin

by Mt. Angel

Product image
B- Overall Grade *

Pros

  • Good brand reputation
  • Quality ingredients

Cons

  • Expensive

OVERALL

Number four on our list is Mt. Angel Quercetin.

While a this brand does have a good reputation, the biggest problem is that the supplement was the most expensive option reviewed.

In summary, Mt. Angel Quercetin does use quality ingredients, but it ranks lower because of the price.

*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.

Please visit product websites for more information.

View Product Details

5. RxWell Immune & Respiratory

by RxWell

Product image
B- Overall Grade *

Pros

  • Interesting blend of ingredients

Cons

  • Quercetin not the main ingredient, lower dosage
  • Expensive

OVERALL

Number five on our list is the RxWell Immune & Respiratory supplement.

This product has an interesting blend of ingredients, but the problem is that quercetin is not the main ingredient. For this reason we can’t actually see what the dosage is, but most likely it is lower than we would like to see.

In conclusion, RxWell Immune & Respiratory is a good choice if you are looking for a blend of ingredients. But it ranks lower on the list because of its weaker dosage.

*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.

Please visit product websites for more information.

View Product Details

Top-Rated Quercetin Supplement

Packed with a research-backed 500 mg dose, our Quercetin offers immune modulation and antioxidant defense without unnecessary blends. The 90-day guarantee lets you try it stress-free.

#1 Choice Product Image
Luma’s Quercetin for Immunity & Longevity
  • 500 mg quercetin dihydrate per serving
  • Supports healthy histamine response & endothelial function
  • Potent antioxidant for cellular resilience
  • Made in USA & 3rd party tested for purity and quality
  • Sell Out Risk: High
  • FREE shipping
  • 90-Day Guarantee
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What is Quercetin?

What is this product?

Quercetin is a brightly colored flavonoid naturally present in apples, onions, capers, and many leafy greens. It acts as a potent antioxidant and mast-cell stabilizer, meaning it can influence how your body releases histamine and other immune chemicals.
Supplemental quercetin is often used for:
• Seasonal immune & histamine support
• Cellular antioxidant defense
• Endothelial (blood-vessel) and cardiovascular health

Citations

THIS IS AN ADVERTORIAL AND NOT AN ACTUAL NEWS ARTICLE, BLOG, OR CONSUMER PROTECTION UPDATE

This is an advertisement for Luma Nutrition and is intended for informational purposes only. All information provided by Luma Nutrition does not constitute medical advice and should not be used as a replacement for your doctor's advice. Please consult your doctor regarding any change in treatment or supplementation.

The views and opinions expressed are solely those of the Luma Nutrition or a testimonial from a verified Luma Nutrition customer based on his/her real-life experiences. Individual results may vary.

Please note that Luma Nutrition's products are not drugs and are not intended to treat, prevent, or cure any disease. The use of the logos are copyrighted by each respective entity and use of any particular logo may represent a publication, advertisement, or mention of Luma Nutrition on a local affiliate or regional carrier.

* These statements have not been approved by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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