Product Review

DoNotAge Pure Quercetin Review

5/5 Editorial score5/5 · Our simple-formula pick

Our 5/5 editorial choice for a straightforward quercetin-only formula. The clear capsule amount, vegan shell, 60/366 pack options and published quality policy make it an easy product to understand and...

Quercetin dihydrate

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By Dr. Khaled Mahmoud, MBBCh

Reviewed by Dr. Amr Yasser, PhD, Dr. Abdulla Mostafa, PhD

· 14 min read

How we scored it

Our editorial recommendation uses a 1–5 scale. We consider the formulation, label clarity, manufacturer quality disclosures, practical use and value for the intended reader. The published rating is an overall editorial judgment; these factors are not separately measured or weighted.

5/5 means a top editorial recommendation for the stated use case. It does not establish clinical effectiveness or mean that we performed laboratory testing. Research strength and safety limitations are assessed separately in this review.

Five product-selection criteria met: simple active formula, clear dose, vegan capsule, pack/value options and published quality policy. Editorial rating; not a customer average, independent assay or efficacy score.

Read the review summary

A clear 400 mg capsule, a vegan formula and pack sizes that make daily cost easy to understand. Our evidence-led look at the label, value, quality policy and who it suits.

Our 5/5 editorial choice for a straightforward quercetin-only formula. The clear capsule amount, vegan shell, 60/366 pack options and published quality policy make it an easy product to understand and compare.

Choose it for that simple product proposition. Discuss clinical suitability separately, and use BB10 for eligible reader savings after checking the final checkout terms.

Evidence for an ingredient does not establish the effects of this finished product. See the evidence section for study design, dose and limitations.

Official DoNotAge Pure Quercetin 366-capsule container View image

Official DoNotAge Pure Quercetin 366-capsule container

Read the full editorial assessment

DoNotAge Pure Quercetin is our first choice for readers who want a simple, clearly dosed quercetin-only product. It brings together a 400 mg capsule, vegan capsule material, useful pack choices and a published batch-quality policy without requiring a multi-ingredient stack.

The 5/5 editorial rating evaluates that product proposition. It does not turn promising ingredient research into a guarantee of allergy relief, longevity or treatment of a disease.

Formulation strengths and limitations

What stands out

  • A clear 400 mg quercetin capsule with no added active blend.
  • Vegan vegetable-cellulose capsule and an identified botanical source.
  • 60- and 366-capsule packs make it easy to choose quantity and daily cost.
  • Published batch-purity policy, with certificates available on request.

Things to know first

  • Choose another format if you specifically want a phospholipid delivery system or bromelain blend.
  • Check medicine compatibility and ongoing need before committing to a large supply.

Key takeaways

  • Our 5/5 editorial pick for a straightforward quercetin-only formula.
  • 400 mg per capsule; the manufacturer’s 800 mg serving is two capsules.
  • At two capsules daily, 60 capsules last 30 days and 366 capsules last 183 days.
  • DoNotAge’s testing and purity statements are manufacturer claims; we have not independently tested a batch.
  • Human ingredient research does not establish product-specific treatment or lifespan extension.
400 mg per capsule — manufacturer label Vegan — manufacturer statement Batch testing policy — manufacturer statement

Formulation

Key facts & composition

Formula Quercetin dihydrate Single active ingredient
Per capsule 400 mg quercetin Manufacturer declaration
Daily label serving 800 mg / two capsules Not personalized dose advice
Plant source Sophora japonica L. As identified by DoNotAge
Capsule Vegetable cellulose Manufacturer states suitable for vegans
Pack options 60 or 366 capsules Choose quantity to fit a reviewed plan
60-capsule supply 30 days at two/day 60 days at one/day
366-capsule supply 183 days at two/day 366 days at one/day
US one-time snapshot $35 / 60; $133 / 366 18 October 2026, before discounts, shipping and tax
Annual subscription 400 mg/day or 800 mg/day options One or two 366-capsule containers in one annual shipment
Quality policy Batch testing; above 99% purity stated Certificate available on request; not independently inspected
Reader code BB10 Check eligible savings and final checkout terms

Composition

Ingredient Amount Form Source
Quercetin 800 mg in the manufacturer’s two-capsule serving Quercetin dihydrate Sophora japonica L.

One capsule is labelled as 400 mg quercetin. The amount is the manufacturer’s declaration; we did not independently assay the product. The daily label serving is not a universal clinical recommendation.
Capsule shell Two capsule shells per label serving Vegetable cellulose Manufacturer label

DoNotAge states that the capsule contents are quercetin powder without fillers and that the product is suitable for vegans. The formula does not add bromelain, zinc, vitamin C or resveratrol.

Who this is for

Good fit if you're...

You want one clearly labelled active ingredient

A straightforward choice without a multi-ingredient blend.

You value pack flexibility

Start with 60 capsules or compare larger-pack value once suitability is clear.

You prefer a vegan capsule

Manufacturer identifies vegetable cellulose and vegan suitability.

Probably not for you if...

You need a proven disease treatment or a prescription substitute

The product’s editorial rating is not a clinical efficacy guarantee.

How it works

The mechanism story begins with quercetin’s metabolism, cellular effects and the limits of translating them into human outcomes. The figures below distinguish established chemistry, experimental observations and the narrower clinical signals. They do not represent a finished-product efficacy trial.

1

From oral quercetin to circulating metabolites

After oral intake, quercetin undergoes intestinal and liver metabolism, including glucuronidation, sulfation and methylation. Human exposure is largely to conjugated metabolites rather than the same free compound placed directly on cells in many experiments. The assay and metabolite being measured therefore matter. Research source

Human absorption studies identify effects of glycosides, delivery systems and food matrices. An increase in exposure does not establish a proportional clinical benefit, a universal dose conversion or superior treatment by this retail product. Research source

Oral quercetin undergoes gut and liver conjugation, producing circulating metabolites; exposure does not establish proportional clinical benefits
2

Mast-cell biology and seasonal-symptom evidence

Quercetin affects selected mediator-release responses in cultured mast cells. The often-cited comparison with cromolyn was not a randomized clinical superiority trial in people with MCAS. Human-derived cells and human treatment trials are different evidence contexts. Research source

Small oral studies report selected seasonal-allergy symptoms with phytosome or modified-glycoside preparations. They support a formulation-specific signal, not guaranteed equivalence from plain dihydrate or a validated universal mast-cell treatment protocol. Research source

Laboratory mast-cell effects, small formulation-specific allergy trials, and the absence of a validated universal MCAS protocol shown as separate evidence categories
3

Vascular mechanisms need human outcome comparisons

Experimental vascular and inflammatory pathways help explain why quercetin has been investigated for blood pressure. The 2022 ten-trial synthesis in 841 participants estimated a modest average systolic difference of −2.38 mmHg, with a 95% confidence interval of −3.80 to −0.96. This is an ingredient-level average rather than an expected personal response. Research source

A separate quercetin-3-glucoside crossover trial did not improve flow-mediated dilation. Blood pressure, vascular-function tests and prevention of cardiovascular events are different endpoints. These studies do not establish that DoNotAge Pure Quercetin prevents heart attacks, stroke or aging. Research source

Quercetin blood-pressure synthesis: ten trials, 841 participants, average systolic change minus 2.38 mmHg with confidence interval and no established event prevention

Research & evidence

27 cited sources · Quercetin Data Center

The evidence

Sources include research papers and other cited records, such as registered trials. A trial registration is not a published result.

The human research makes quercetin worth understanding. Pooled blood-pressure findings and selected allergy and recovery trials are encouraging, while several broad immune, cognition and weight claims remain uncertain. The studies below concern the tested ingredient, formulation or combination; none should be relabelled as a trial of this exact DoNotAge product.

Evidence grades summarize our appraisal of each claim, not the product’s commercial rating. Reviews can reuse the same trials, and multiple reports can describe one participant cohort.

B Modest average blood-pressure effects Tier 1

Meta-analyses of randomized trials report small average reductions. Populations and regimens differ, and cardiovascular-event prevention was not established. This is ingredient-level evidence, not a DoNotAge product trial.

Joanna Popiolek-Kalisz et al. 2022 , Maria-Corina Serban et al. 2016 , Seyyed Mostafa Arabi et al. 2023

C Selected seasonal-allergy symptom benefits Tier 2

Small controlled studies report selected eye, nasal or quality-of-life improvements. The main trials used phytosome or modified glycosides, so equal efficacy of this dihydrate product is not established.

S Yamada et al. 2022 , Toru Hirano et al. 2009 , Mari Kawai et al. 2009

C Potential exercise-recovery support Tier 1

A small-study synthesis found selected soreness and recovery benefits, with risk-of-bias concerns. Reliable performance enhancement and generalization to every athlete remain uncertain.

Daniel Rojano-Ortega et al. 2023 , Jochen Kressler et al. 2011

C Interesting metabolic research, not a weight-loss promise Tier 2

A small fatty-liver crossover trial was positive, alongside modest weight loss. A larger community programme did not establish a general body-composition benefit.

NingChao Li et al. 2024 , Amy M Knab et al. 2011 , Vahidreza Ostadmohammadi et al. 2019

D Not established as a universal immune or memory enhancer Tier 2

Large community reports did not find overall respiratory-illness or cognitive benefits. Selected subgroup and small formulation-specific signals should not be generalized.

Serena A Heinz et al. 2010 , Joshua J Broman-Fulks et al. 2012

D Quercetin-only human lifespan extension is unproven Tier 3

Experimental senolytic findings and monitored dasatinib/quercetin studies cannot establish lifespan extension from this supplement. D+Q is a different intervention.

Yi Zhu et al. 2015 , LaTonya J Hickson et al. 2019 , Joshua N Farr et al. 2024

Desk-based review of the manufacturer label, dated price snapshot, published quality policy and ingredient literature. No independent batch assay, hands-on efficacy test or product-specific clinical trial was performed.

Comparison

How it compares

DoNotAge Pure QuercetinThorne Quercetin Phytosome NOW Quercetin with Bromelain
Formula Quercetin only Phospholipid delivery complex Quercetin + bromelain
Label amount 400 mg quercetin per capsule 250 mg complex per capsule 800 mg quercetin + 165 mg bromelain per two capsules
Pack example 60 or 366 capsules 60 capsules 60, 120 or 240 capsules
US bottle-price snapshot $35 / 60; $133 / 366 $46 / 60 $21.99 / 60
Best reason to choose Our first simple-formula choice Delivery-system preference Combination preference

Clinical pharmacology

This is a product review, not a personal treatment plan. The manufacturer’s serving is 800 mg daily, with a source of fat at the first meal. Clinical studies use different doses and forms, so a research regimen is not automatically interchangeable with this label.

Quercetin is extensively metabolized. A higher measured exposure does not necessarily mean a larger clinical benefit, and moving a dose away from medicines does not reliably prevent metabolic interactions. Research source Research source Research source

Dose tiers

TierDoseFrequencyDurationNotes
One capsule on the label 400 mg Per capsule Product label

A unit for label reading, not a universal recommended daily amount.
Manufacturer daily serving 800 mg / two capsules Daily with a source of fat at the first meal Review ongoing use individually

DoNotAge directions. The subscription also offers a 400 mg/day quantity option; check the actual product instructions and your clinician’s advice.
Research context 500–1,000 mg in many studies Protocol dependent Often weeks; varies by trial

Trials also use lower active doses of specific formulations. These research amounts are not a personal dosing plan or an equivalence between forms.

From bench to bedside

PathwayPreclinical findingHuman translationConfidence
Mast-cell signalling Selected mediator release is reduced in experimental systems. Small formulation-specific allergy trials; MCAS efficacy not established. Mechanistic interest; limited clinical translation
Vascular biology Experimental effects on oxidative and signalling pathways. Small average blood-pressure effects; no product-specific event-prevention evidence. Moderate interest; endpoint specific
Cellular senescence Cell-type-specific senolytic findings in laboratory models. D+Q studies are not quercetin-only lifespan trials. Experimental for a supplement longevity claim

Drug interactions

Clinician review before use

Warfarin

A case report described a marked INR rise after quercetin/vitamin C.

Recommendation:

Tell the anticoagulation team before starting or stopping. A case signal does not establish an incidence or clear every other anticoagulant. Research source

Medicine-specific assessment

Fexofenadine and selected transporter substrates

A small human study found increased fexofenadine exposure.

Recommendation:

Ask a pharmacist about the exact antihistamine and regimen. Do not assume all allergy medicines behave identically. Research source

Variable; check the actual medicine

CYP and transporter-sensitive medicines

Human studies show different directions for different substrates.

Recommendation:

A two-hour gap is not a dependable way to prevent metabolic interactions. Do not change a prescription dose to compensate. Research source

Possible additive effect

Blood-pressure treatment

Small ingredient-level pressure reductions may add to treatment effects.

Recommendation:

Discuss monitoring if the clinician supports supplementation; report symptomatic low readings and keep prescribed care unchanged unless advised. Research source

Bioavailability tips

Follow the actual label and use a normal meal that fits your routine. Small studies support food-matrix effects on exposure, but there is no established universal gram-of-fat target or proven morning-versus-night clinical advantage. Research source

Do not add bromelain, resveratrol, zinc or vitamin C automatically. Each extra ingredient should have its own purpose and compatibility check. A direct small human study did not find increased resveratrol exposure with added quercetin. Research source

Special populations

PopulationRecommendationRationale
Pregnancy or breastfeeding Seek qualified advice before supplemental use

Ordinary dietary exposure does not establish safety of a concentrated capsule; high-dose data are insufficient.
Children No general child dose established

Do not scale an adult label by body weight without clinical advice.
Kidney disease Discuss with the treating team

Oral supplement safety in impaired renal function needs individual assessment. Intravenous oncology findings are a different exposure.
Cancer treatment, transplantation or complex medicines Specialist medicine review

Potential metabolic or transporter effects make compatibility specific to the treatment plan.

Therapeutic positioning

We put DoNotAge first for a simple quercetin-only product. A reader who specifically prefers a phospholipid delivery system or enzyme blend may choose differently. That is a format preference, not proof that one option wins every clinical endpoint.

Official-label comparison checked on 18 October 2026: Thorne lists 250 mg phytosome complex per capsule, and NOW lists a two-capsule serving of 800 mg quercetin with 165 mg bromelain. Their forms and directions differ; compare active content rather than assuming equal capsule doses.

US one-time snapshots before shipping, tax or discounts: DoNotAge $35/60 or $133/366; Thorne $46/60; NOW $21.99/60. The bottle prices do not represent equivalent daily regimens. UK and Canadian readers should check local currency, label and delivered price.

Phytosome or other enhanced-delivery products

Formulation choice An alternative for a delivery-system preference

Some human studies show greater exposure with specific delivery systems. That does not prove equal-mass doses or superior clinical outcomes. Choose based on the actual active amount, evidence and preference. Research source

Quercetin with bromelain

Combination choice Pure Quercetin is our preferred simple-formula option

A blend adds a second active ingredient and its own considerations. Direct human evidence that bromelain is required for quercetin absorption is insufficient.

A varied plant-food diet

Lifestyle foundation Foundation alongside any justified supplement

Onions, apples, greens and other plant foods contribute quercetin with fiber and other nutrients. A supplement does not replace that broader nutritional value.

A varied diet, physical activity, adequate sleep and appropriate medical care remain the foundation. Quercetin-containing foods bring fiber and other nutrients that a capsule cannot replace. A supplement can be assessed alongside that foundation when its purpose is clear.

This supplement is not a substitute for diagnosis, prescribed medicines or emergency treatment. Seek individual advice for pregnancy, breastfeeding, childhood, kidney disease or interacting medicines. No human lifespan-extension or disease-cure claim is established for this product.

Reader-exclusive

DoNotAge Pure Quercetin — via DoNotAge

Use code 10% off
  • 30 days (60 caps) or 183 days (366 caps), at two/day
  • Annual options supply one 366-capsule container for 400 mg/day or two for 800 mg/day, in one shipment. US snapshot: $100 or $200 before any eligible extras; check current regional and cancellation terms.
  • Fast shipping from DoNotAge
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DoNotAge handles pricing, fulfilment, and customer support for this product. Biohack Blueprint may earn a commission from purchases made through links on this page, at no extra cost to you. This does not affect our evidence grading or editorial verdict.

About buying through us

Should I start with the large pack?

The 60-capsule pack is convenient when you want less stock. The 366 pack has a lower basic daily cost in the dated US snapshot, making sense once the product and ongoing use fit your reviewed plan.

Is more absorption always worth more money?

Not necessarily. Compare the active quercetin amount, actual human evidence, safety and delivered cost. An exposure ratio is not a proportional benefit guarantee.

Why choose a quercetin-only formula?

It keeps the active amount easy to understand and lets you decide on bromelain, vitamin C, zinc or resveratrol separately.

Can I request quality documentation?

DoNotAge says purity certificates are available on request. Ask for a certificate matching your product and lot, including the method and relevant testing scope.

Reader questions

Why did you rate DoNotAge Pure Quercetin 5/5?

It meets our five stated product-selection criteria: clear active formula, readable dose, vegan capsule, useful pack/value options and a published batch-quality policy. This is an editorial product rating, not a customer average, independent assay or clinical outcome score.

How much quercetin is in each capsule?

DoNotAge states 400 mg per capsule. Its 800 mg daily serving is two capsules. Label directions are not personalized medical advice.

How long does a bottle last?

At two capsules daily, 60 capsules last 30 days and 366 last 183 days. At one capsule daily they last 60 and 366 days. The 800 mg/day annual subscription supplies two 366-capsule containers.

Is it vegan and does it contain fillers?

The company identifies a vegetable-cellulose capsule and says its contents are quercetin powder without fillers. We have not independently assayed the product.

Has this product been clinically tested?

The evidence discussed here concerns quercetin ingredients, foods, delivery systems or combinations. We did not identify published product-specific clinical results establishing outcomes for this exact DoNotAge formula.

Is dihydrate the most bioavailable form?

A universal ranking is not established. Small human studies show higher exposure with some specialized formulations, but that does not prove superior outcomes for every goal. Dihydrate remains a straightforward label choice.

Should I take it with resveratrol?

The combination is optional, not an established requirement. A small direct human study did not find increased resveratrol exposure after added quercetin.

How do I use the BB10 code?

Follow our DoNotAge link, choose the product and enter BB10 where eligible. Check the final currency, discount, shipping, subscription and promotion terms before paying.

Editorial credibility

Portrait of Dr. Khaled Mahmoud, ICU physician and founder of Biohack Blueprint

Author

Dr. Khaled Mahmoud, MBBCh

MBBCh

Critical Care Medicine, Longevity Science & Editorial Direction

Portrait of Dr. Amr Yasser, cardiometabolic and musculoskeletal reviewer for Biohack Blueprint

Reviewer

Dr. Amr Yasser, PhD

MBBCh, PhD, General Surgery, Cardiometabolic Medicine, Musculoskeletal Research

Cardiometabolic, Musculoskeletal, Gut & Bioavailability

Portrait of Dr. Abdulla Mostafa, neuroscience reviewer for Biohack Blueprint

Reviewer

Dr. Abdulla Mostafa, PhD

MBBCh, PhD, Neuroscience, Neurosurgery

Cellular Senescence, Neurological, Mitochondrial & Brain-Ageing Biology

Five product-selection criteria met: simple active formula, clear dose, vegan capsule, pack/value options and published quality policy. Editorial rating; not a customer average, independent assay or efficacy score.

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Related reading

Quercetin Benefits: What Human Studies Actually Show

Quercetin Dosage: Reading Labels and Research Doses

Best Time to Take Quercetin: Meals, Morning or Night?

Quercetin Side Effects and Safety: A Practical Guide

Quercetin Interactions: Medicines, Evidence and Precautions

Foods High in Quercetin: Practical Sources and Portions

Quercetin for Allergies: Hay Fever Evidence and Limits

Quercetin, Histamine Intolerance and MCAS: What Is Known

Quercetin and Bromelain: Benefits, Absorption and Safety

Quercetin Forms: Dihydrate, Phytosome, Liposomal and Glycosides

Quercetin and Resveratrol Together: Evidence and Practical Choices

Quercetin, Zinc and Vitamin C: What the Stack Can Support

Is Quercetin a Senolytic? Human Evidence vs Longevity Claims

Best Quercetin Supplement: How to Choose the Right Formula

Quercetin and Blood Pressure: How Large Is the Effect?

Quercetin for Weight Loss, Blood Sugar and Fatty Liver: Human Evidence

Quercetin for Uric Acid and Gout: What the Trial Shows

Quercetin for Prostatitis and Chronic Pelvic Pain

Quercetin for Exercise: Performance, Recovery and Muscle

Quercetin for Skin and Hair: Oral vs Topical Evidence

Quercetin for Brain Fog, Memory and Sleep: Human Evidence

Quercetin for Gut Health: Microbiome and Barrier Evidence

Quercetin for Immune Health, Colds and COVID-19

Quercetin for Inflammation: CRP, Pain and Human Trials
  1. The Effects of Quercetin Supplementation on Blood Pressure - Meta-Analysis Joanna Popiolek-Kalisz, Emilia Fornal (2022) . Current problems in cardiology Read on our Data CenterView on PubMed DOI
  2. Effects of Quercetin on Blood Pressure: A Systematic Review and Meta-Analysis of Randomized Controlled Trials Maria-Corina Serban, Amirhossein Sahebkar, Alberto Zanchetti, Dimitri P Mikhailidis, George Howard, Diana Antal, Florina Andrica, Ali Ahmed, Wilbert S Aronow, Paul Muntner, Gregory Y H Lip, Ian Graham, Nathan Wong, Jacek Rysz, Maciej Banach, Lipid and Blood Pressure Meta‐analysis Collaboration (LBPMC) Group (2016) . Journal of the American Heart Association Read on our Data CenterView on PubMed View on PMC DOI
  3. The effects of Quercetin supplementation on cardiometabolic outcomes: An umbrella review of meta-analyses of randomized controlled trials Seyyed Mostafa Arabi, Mostafa Shahraki Jazinaki, Mahla Chambari, Leila Sadat Bahrami, Mohsen Maleki, Vasily N Sukhorukov, Amirhossein Sahebkar (2023) . Phytotherapy research : PTR Read on our Data CenterView on PubMed DOI
  4. Effects of repeated oral intake of a quercetin-containing supplement on allergic reaction: a randomized, placebo-controlled, double-blind parallel-group study S Yamada, M Shirai, Y Inaba, T Takara (2022) . European review for medical and pharmacological sciences Read on our Data CenterView on PubMed DOI
  5. Preventative effect of a flavonoid, enzymatically modified isoquercitrin on ocular symptoms of Japanese cedar pollinosis Toru Hirano, Mari Kawai, Junsuke Arimitsu, Masako Ogawa, Yusuke Kuwahara, Keisuke Hagihara, Yoshihito Shima, Masashi Narazaki, Atsushi Ogata, Mihoko Koyanagi, Tomoko Kai, Ryosuke Shimizu, Masamitsu Moriwaki, Yukio Suzuki, Satoshi Ogino, Ichiro Kawase, Toshio Tanaka (2009) . Allergology international : official journal of the Japanese Society of Allergology Read on our Data CenterView on PubMed DOI
  6. Effect of enzymatically modified isoquercitrin, a flavonoid, on symptoms of Japanese cedar pollinosis: a randomized double-blind placebo-controlled trial Mari Kawai, Toru Hirano, Junsuke Arimitsu, Shinji Higa, Yusuke Kuwahara, Keisuke Hagihara, Yoshihito Shima, Masashi Narazaki, Atsushi Ogata, Mihoko Koyanagi, Tomoko Kai, Ryosuke Shimizu, Masamitsu Moriwaki, Yukio Suzuki, Satoshi Ogino, Ichiro Kawase, Toshio Tanaka (2009) . International archives of allergy and immunology Read on our Data CenterView on PubMed DOI
  7. Quercetin supplementation promotes recovery after exercise-induced muscle damage: a systematic review and meta-analysis of randomized controlled trials Daniel Rojano-Ortega, José Peña-Amaro, Antonio J Berral-Aguilar, Francisco J Berral-de la Rosa (2023) . Biology of sport Read on our Data CenterView on PubMed View on PMC DOI
  8. Quercetin and endurance exercise capacity: a systematic review and meta-analysis Jochen Kressler, Melinda Millard-Stafford, Gordon L Warren (2011) . Medicine and science in sports and exercise Read on our Data CenterView on PubMed DOI
  9. Quercetin intervention reduced hepatic fat deposition in patients with nonalcoholic fatty liver disease: a randomized, double-blind, placebo-controlled crossover clinical trial NingChao Li, Chun Cui, Jing Xu, ManTian Mi, Jian Wang, Yu Qin (2024) . The American journal of clinical nutrition Read on our Data CenterView on PubMed DOI
  10. Quercetin with vitamin C and niacin does not affect body mass or composition Amy M Knab, R Andrew Shanely, Fuxia Jin, Melanie D Austin, Wei Sha, David C Nieman (2011) . Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme Read on our Data CenterView on PubMed DOI
  11. Effects of quercetin supplementation on glycemic control among patients with metabolic syndrome and related disorders: A systematic review and meta-analysis of randomized controlled trials Vahidreza Ostadmohammadi, Alireza Milajerdi, Elnaz Ayati, Fariba Kolahdooz, Zatollah Asemi (2019) . Phytotherapy research : PTR Read on our Data CenterView on PubMed DOI
  12. Quercetin supplementation and upper respiratory tract infection: A randomized community clinical trial Serena A Heinz, Dru A Henson, Melanie D Austin, Fuxia Jin, David C Nieman (2010) . Pharmacological research Read on our Data CenterView on PubMed View on PMC DOI
  13. The effects of quercetin supplementation on cognitive functioning in a community sample: a randomized, placebo-controlled trial Joshua J Broman-Fulks, Will H Canu, Krystal L Trout, David C Nieman (2012) . Therapeutic advances in psychopharmacology Read on our Data CenterView on PubMed View on PMC DOI
  14. The Achilles' heel of senescent cells: from transcriptome to senolytic drugs Yi Zhu, Tamara Tchkonia, Tamar Pirtskhalava, Adam C Gower, Husheng Ding, Nino Giorgadze, Allyson K Palmer, Yuji Ikeno, Gene B Hubbard, Marc Lenburg, Steven P O'Hara, Nicholas F LaRusso, Jordan D Miller, Carolyn M Roos, Grace C Verzosa, Nathan K LeBrasseur, Jonathan D Wren, Joshua N Farr, Sundeep Khosla, Michael B Stout, Sara J McGowan, Heike Fuhrmann-Stroissnigg, Aditi U Gurkar, Jing Zhao, Debora Colangelo, Akaitz Dorronsoro, Yuan Yuan Ling, Amira S Barghouthy, Diana C Navarro, Tokio Sano, Paul D Robbins, Laura J Niedernhofer, James L Kirkland (2015) . Aging cell Read on our Data CenterView on PubMed View on PMC DOI
  15. Senolytics decrease senescent cells in humans: Preliminary report from a clinical trial of Dasatinib plus Quercetin in individuals with diabetic kidney disease LaTonya J Hickson, Larissa G P Langhi Prata, Shane A Bobart, Tamara K Evans, Nino Giorgadze, Shahrukh K Hashmi, Sandra M Herrmann, Michael D Jensen, Qingyi Jia, Kyra L Jordan, Todd A Kellogg, Sundeep Khosla, Daniel M Koerber, Anthony B Lagnado, Donna K Lawson, Nathan K LeBrasseur, Lilach O Lerman, Kathleen M McDonald, Travis J McKenzie, João F Passos, Robert J Pignolo, Tamar Pirtskhalava, Ishran M Saadiq, Kalli K Schaefer, Stephen C Textor, Stella G Victorelli, Tammie L Volkman, Ailing Xue, Mark A Wentworth, Erin O Wissler Gerdes, Yi Zhu, Tamara Tchkonia, James L Kirkland (2019) . EBioMedicine Read on our Data CenterView on PubMed View on PMC DOI
  16. Effects of intermittent senolytic therapy on bone metabolism in postmenopausal women: a phase 2 randomized controlled trial Joshua N Farr, Elizabeth J Atkinson, Sara J Achenbach, Tammie L Volkman, Amanda J Tweed, Stephanie J Vos, Ming Ruan, Jad Sfeir, Matthew T Drake, Dominik Saul, Madison L Doolittle, Irina Bancos, Kai Yu, Tamara Tchkonia, Nathan K LeBrasseur, James L Kirkland, David G Monroe, Sundeep Khosla (2024) . Nature medicine Read on our Data CenterView on PubMed View on PMC DOI
  17. Enhanced Anticoagulant Effect of Warfarin When Co-administered With Quercetin Ruchit Patel, Allison Stine, Kimberly Zitko (2022) . The Journal of pharmacy technology : jPT : official publication of the Association of Pharmacy Technicians Read on our Data CenterView on PubMed View on PMC DOI
  18. Short-term effect of quercetin on the pharmacokinetics of fexofenadine, a substrate of P-glycoprotein, in healthy volunteers Kyoung-Ah Kim, Pil-Whan Park, Ji-Young Park (2009) . European journal of clinical pharmacology Read on our Data CenterView on PubMed DOI
  19. Quercetin as a modulator of xenobiotic metabolism: integrating CYP450 regulation, phase II conjugation pathways, and transporter-mediated drug interactions Seerwan Hamadameen Sulaiman, Rebaz Anwar Omer, Hunar Yasin Muhammad, Amjad Mahmood Qadir, Hemn A H Barzani (2026) . European journal of clinical pharmacology Read on our Data CenterView on PubMed DOI
  20. Improved Oral Absorption of Quercetin from Quercetin Phytosome®, a New Delivery System Based on Food Grade Lecithin Antonella Riva, Massimo Ronchi, Giovanna Petrangolini, Stefania Bosisio, Pietro Allegrini (2019) . European journal of drug metabolism and pharmacokinetics Read on our Data CenterView on PubMed View on PMC DOI
  21. Improving quercetin bioavailability: A systematic review and meta-analysis of human intervention studies Lu Liu, Elizabeth Barber, Nicole J Kellow, Gary Williamson (2025) . Food chemistry Read on our Data CenterView on PubMed DOI
  22. A critical examination of human data for the biological activity of quercetin and its phase-2 conjugates Gary Williamson, Michael N Clifford (2025) . Critical reviews in food science and nutrition Read on our Data CenterView on PubMed DOI
  23. Dietary fat increases quercetin bioavailability in overweight adults Yi Guo, Eunice Mah, Catherine G Davis, Thunder Jalili, Mario G Ferruzzi, Ock K Chun, Richard S Bruno (2013) . Molecular nutrition & food research Read on our Data CenterView on PubMed DOI
  24. Steady-State pharmacokinetics and tolerability of trans-resveratrol 2000 mg twice daily with food, quercetin and alcohol (ethanol) in healthy human subjects Charles la Porte, Nha Voduc, Guijun Zhang, Isabelle Seguin, Danielle Tardiff, Neera Singhal, D William Cameron (2010) . Clinical pharmacokinetics Read on our Data CenterView on PubMed DOI
  25. Safety Aspects of the Use of Quercetin as a Dietary Supplement Susanne Andres, Sophie Pevny, Rainer Ziegenhagen, Nadiya Bakhiya, Bernd Schäfer, Karen Ildico Hirsch-Ernst, Alfonso Lampen (2018) . Molecular nutrition & food research Read on our Data CenterView on PubMed DOI
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  27. Effects of the pure flavonoids epicatechin and quercetin on vascular function and cardiometabolic health: a randomized, double-blind, placebo-controlled, crossover trial James I Dower, Johanna M Geleijnse, Lieke Gijsbers, Peter L Zock, Daan Kromhout, Peter C H Hollman (2015) . The American journal of clinical nutrition Read on our Data CenterView on PubMed DOI
First published 19 Oct 2026 · Last verified 19 Oct 2026