SKU: 25223440548

Pure Quercetin - 500 mg, 90 capsules

Sale price$50.36 Regular price$55.95
Save 10%

Pay in installments of $13.99 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 30 - Sep 4

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Pure Quercetin - 500 mg, 90 capsulesAdvanced Cellular Rejuvenation with Pure Quercetin* Clears out senescent "zombie" cells*1,2, 4,10,11 Promotes healthy aging and youthful cellular function*1 3 Supports healthy immune function*1,6 Delivers powerful antioxidant protection*1,3,6,8 Features quercetin with 60x better bioavailability*12 View Certificate of Analysis Clear Away the Cells That Age You* Quercetin is a powerful flavonoid clinically shown to support senolytic activityclearing

Advanced Cellular Rejuvenation with Pure Quercetin*

  • Clears out senescent "zombie" cells*1,2, 4,10,11
  • Promotes healthy aging and youthful cellular function*1-3
  • Supports healthy immune function*1,6
  • Delivers powerful antioxidant protection*1,3,6,8
  • Features quercetin with 60x better bioavailability*12

View Certificate of Analysis

Clear Away the Cells That Age You*

Quercetin is a powerful flavonoid clinically shown to support senolytic activity—clearing away senescent "zombie" cells that accumulate with age and impact tissue health. Our advanced formula delivers a potent 3,000 mg senolytic dose with 60x enhanced bioavailability to revitalize cellular efficiency, fuel tissue renewal, and promote healthy aging from within. Whether used daily for antioxidant protection or as part of a powerful monthly 5-day reset, Pure Quercetin helps activate your body’s natural rejuvenation pathways—so you can feel stronger, clearer, and more resilient with age.*1-4,7-9,11

What Makes Ours Better?

  • Extra Strength Formula: Delivers a full 3,000 mg “senolytic dose” to effectively target aging cells.*
  • Ultra-Pure Sourcing: Made from quercetin extracted exclusively from the flower buds of Sophora japonica.
  • FenuMat® Technology: Combined with fenugreek seed fiber and sunflower lecithin to enhance stability, absorption, and bioavailability.*8,12,13
  • Simple 5-Day Protocol: Designed by doctors and modeled after the most effective senolytic protocols studied in research—for maximum impact with minimal dosing.*2,7,9,11

The ProHealth Difference

  • Doctor-Formulated:Developed by our in-house science team in collaboration with leading wellness experts to target key systems impacted by aging.*
  • Triple Lab Tested: Rigorously tested three times by independent third-party labs to guarantee unmatched potency and purity.
  • Full Transparency: In an industry full of misleading claims, we publish our third-party lab results—so you always know exactly what’s in every bottle.
  • Manufactured in the USA: Since 1988, we’ve proudly produced our supplements in FDA-regulated, GMP-certified facilities, ensuring the highest quality and safety standards.
  • 100-Day Risk-Free Guarantee: We stand behind our products. If you’re not completely satisfied, contact our Santa Barbara, CA office for a full refund—no hassle, no questions asked.

The Ultimate Weapon Against Zombie Cells*

Cellular senescence is a hallmark of aging. Over time, old or damaged cells stop dividing but don’t die—they become “zombie” cells that persist in the body and secrete harmful inflammatory signals, collectively known as Senescence-Associated Secretory Phenotype (SASP). This buildup disrupts tissue function, drives whole-body inflammation, and accelerates biological aging.2,5,7,14

Senolytics—derived from the Latin, "senex" (old) and "lytic" (to destroy)—are compounds that help the body selectively clear these dysfunctional cells, while leaving healthy ones intact. Quercetin, a powerful plant flavonoid, has been clinically studied for its senolytic activity. It works by disrupting the pro-survival pathways that allow senescent cells to linger, triggering apoptosis—the body’s natural process of cellular self-destruction and renewal.*1-4

By supporting the body’s natural ability to manage senescent cells, senolytic compounds like quercetin help maintain cellular health, optimize tissue function, support a healthy inflammatory response, and reinforce resilience with age.*1-4

Introducing: The 5-Day Cellular Reset*

To harness quercetin’s powerful senolytic benefits, we’ve designed the ProHealth 5-Day Cellular Reset protocol aimed at optimizing its role in supporting healthy aging:*2

  • Take six (6) capsules of Pure Quercetin daily for 5 consecutive days.
  • Discontinue use on day 6.
  • Wait 4 weeks before repeating the cycle.

This strategic “hit-and-run” approach supports the body’s natural ability to eliminate senescent cells efficiently. The protocol can be followed monthly—or seasonally—based on your individual health goals and needs.*2,7,9

Note: If this protocol feels too intensive, you can opt for one capsule of ProHealth Pure Quercetin daily for ongoing antioxidant support.*1,3,6,8

A Word from our Chief Science Officer

“Quercetin is quickly emerging as one of the most promising natural senolytics we have—an ingredient that doesn’t just mask the symptoms of aging, but helps the body eliminate the dysfunctional cells that drive it. These senescent ‘zombie’ cells accumulate over time and linger in tissues, silently undermining how we feel and function. The effects can vary depending on where these cells concentrate in the body, but I’ve seen remarkable changes in older individuals using intermittent senolytic protocols.”

Pioneering Longevity Since 1988

For over 36 years, ProHealth has been dedicated to crafting the world’s highest-quality supplements—rooted in innovation, integrity, and a passion for healthy aging. With a long-standing A+ rating from the Better Business Bureau, our reputation for purity and potency has made us one of the most trusted names in the industry. Our commitment to scientific rigor, premium sourcing, and results you can feel continues to drive everything we do.

Ingredient Info

  • Quercetin: A potent polyphenol compound that helps the body clear senescent cells.*

References:

  1. Deledda A et al. Int J Mol Sci. 2022;23(24):16219.
  2. Lorenzo EC et al. Front Aging. 2023;4:1161799.
  3. Wiciński M et al. Nutrients. 2023;15(16):3578.
  4. Zhu Y et al. Aging Cell. 2015;14(4):644-658.
  5. Islam MT et al. Aging Cell. 2023;22(2):e13767.
  6. Dias E and Poojary D. Int J Multidiscip Res. 2024;6(3):1-24.
  7. Hickson LJ et al. EBioMedicine. 2019;47:446-456.
  8. Krishna PM et al. Rev Bras Farmacogn. 2012;22(5):1145-1154.
  9. Sun Y et al. Life Med. 2022;1(2):103-119.
  10. Monti D et al. Sci Rep. 2021;11:23622.
  11. Lee E et al. Aging. 2024;16(4):3088-3106.
  12. Joseph A et al. ACS Omega. 2022;7(50):46825-46832.
  13. He X et al. J Ethnopharmacol. 2016;187:160-182.
  14. Martínez‐Zamudio RI et al. Aging Cell. 2021;20(5):e13344.
Supplement Facts
Serving Size: 1 Capsule
Servings Per Container: 90
Amount Per Serving %DV
FenuMat® Quercetin Complex (from Sophora japonica Flower Buds,
Fenugreek Seeds, and Sunflower Lecithin)
500 mg
† Daily Value (DV) not established
Rev. 04.25

FenuMat® is a registered trademark of Akay USA, LLC, an Oterra company.

  • OTHER INGREDIENTS: Vegetable cellulose (capsule), microcrystalline cellulose, silica.
  • SUGGESTED DAILY USE: For daily support, take one (1) capsule per day. For senolytic benefits, take six (6) capsules daily for five (5) consecutive days, then wait about four (4) weeks before repeating; use monthly for best results.
  • CAUTION: For use by healthy adults only. Please consult your physician before use if you are pregnant or nursing, under the age of 18, or are undergoing treatment for a medical condition. Do not exceed the suggested use. KEEP OUT OF REACH OF CHILDREN. Store in a cool and dry place.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 25223440548

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 20 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
B
Verified Purchase
Brandy B
Draper, US
★★★★★ 5
Great for our puppy
Size: X-Small, Color: Ring Bone
This chew toy has quickly become our puppy’s absolute favorite. She’s just starting to teethe, and keeping her busy and comfortable has definitely been a challenge, but this ring has been a lifesaver. She was interested in it right away and keeps coming back to it on her own, which is a huge win. The chicken flavor seems to really hold her attention, and it gives her something appropriate to chew instead of everything else. It’s the perfect size for a very young puppy and easy for her to hold and gnaw on without getting frustrated. It keeps her occupied, helps soothe her gums, and gives us a much-needed break during those teething moments. If you have a puppy just starting the teething phase and need something safe, durable, and engaging, this is an excellent choice and one I’d happily buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2026
G
Verified Purchase
Ginger Murdough
Draper, US
★★★★★ 5
Nylabone Ring Bone
Size: X-Small, Color: Ring Bone
My dog loves these. She chews them into pieces which helps keep her teeth clean. It is a mess to clean up. She chews and spits out the pieces. She is 6 years old so not a puppy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
M
Verified Purchase
Michelle Kim
San Leandro, US
★★★★★ 4
Everything a Teething Puppy Could Need — Well-Thought-Out Kit
Size: X-Small, Color: Teething Bone
The Nylabone New Puppy Starter Kit is a solid all-in-one solution for the first few months of puppy ownership. It comes with multiple chew toys and bones designed specifically for teething puppies, and my little one took to them right away. The variety keeps him engaged, and I appreciate that each item is designed to be gentle on developing teeth while still satisfying his urge to chew. What differentiates this kit from other puppy chew sets on Amazon is the thoughtful selection of textures and shapes. It’s clear these toys are designed to stimulate gums, promote healthy chewing habits, and even support dental care. I also like that everything is non-toxic and durable enough to survive a few enthusiastic chews. The only reason I didn’t give 5 stars is that the kit might be a bit small for larger breeds, or for puppies that are particularly aggressive chewers. But for standard small to medium pups, it’s a fantastic starter kit that keeps both puppy and owner happy. ✅ Bottom line: A reliable, well-designed starter kit for teething puppies which is thoughtful, durable, and engaging. Makes a great gift for new puppy owners or a practical addition to your own puppy’s toy collection.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 26, 2025
V
Verified Purchase
Valarie Amundsen
Omaha, US
★★★★★ 5
Chew
Size: X-Small, Color: Ring Bone
My dog loves this little chewy bone and it’s good for her teeth. That was very cheap on a sale. It’s worth giving it a try highly recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
P
Verified Purchase
princeton von d
Bozeman, US
★★★★★ 3
Chicken Flavor Good, But 🔄 Rotation-Resistant✖; Best for Simpler Chewers
Size: X-Small, Color: Ring Bone, Size: X-Small, Color: Ring Bone
🐾 Hi, I’m PVD; plush sophisticate, chew critic, and active curator of rotational toy relevance. This ring bone and I never fully bonded. I sampled it maybe five times in my entire puppyhood before quietly returning it to the bin (with a single judgmental glance). Still, it does have value for the right pup. ⭐ Why I originally wanted to love it: ✔️ XS size works well for very young puppies ✔️ Chicken flavor lasts impressively long ✔️ Freezing offers temporary gum relief ✔️ Durable and safe; no odd odors or shredding 🌀 Why it’s now a respectful 3-star chew in my rotation: ✘ Never became a go-to toy (5 uses max in my life) ✘ Ring shape felt awkward, not natural or chic; hard to grip and maneuver ✘ Texture too tame vs. nubs or detailed chew surfaces ✘ When I was smaller, I much preferred the Nylabone Baby Blue Bone Chew Toy with nubs (my personal classic), and have since matured into nightly Nylabone “Nubz” edible bones This Ring Bone is Best For: • Very young puppies with minimal chew preferences • Dogs who like simple textures and circular shapes • Those just starting enrichment chew play • Freezer treat rotations (briefly) 🚫 Not ideal for: picky pups, advanced chewers, or dogs who analyze toy ergonomics (like myself). 📝 Final Re-Barks: A strong, well-made chew, but lacked the intrigue to make my permanent rotation. Works for basic chew enjoyment; not for pups with elevated taste or toy ambition. — PVD (Chew Strategist, Textural Analyst & Aspire-to-Vine Reviewer 🐶💼)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 17, 2025

recommand products