Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 16 Researches
8.4
USERS' SCORE
Good
Based on 12 Reviews
8.4
Supplement Facts
Serving Size:  1 Capsule
Amount Per Serving
%DV
Quercetin
500 mg

Top Medical Research Studies

We explored how quercetin might help those suffering from heart failure. In our research, we utilized advanced databases to identify specific targets of quercetin, focusing on its effects on heart cells.

Our findings suggest that quercetin may work by reducing cell death in heart cells via the MAPK signaling pathway. Notably, it helped lower a key ratio linked to cell survival and decreased markers of cell stress. Overall, quercetin shows promise in battling heart failure symptoms, but further studies are needed to confirm these effects in broader settings.
Read More
9
Quercetin shows promise for heart recovery
We investigated how quercetin, a natural compound found in fruits and vegetables, could help prevent damage after a heart attack (myocardial infarction). Our study used adult male mice to analyze the effects of two weeks of quercetin treatment before simulating a heart attack.

The results were encouraging: quercetin improved heart function, enhanced survival rates, and minimized heart damage. Additionally, it appeared to reduce inflammation and increase protective immune responses in the heart. Overall, quercetin shows potential as a helpful player in heart disease recovery.
Read More
We aimed to understand how quercetin, a natural flavonoid, might help protect against heart issues linked to hormonal changes in postmenopausal conditions. In our study, ovariectomized female rats received either quercetin treatment or a control substance for four weeks.

We found that quercetin significantly reduced heart damage and the risk of abnormal heart rhythms after restoration of blood flow. Additionally, it seemed to support healthier mitochondrial function. Our findings suggest that quercetin could be beneficial in managing heart health during menopause.
Read More

Most Useful Reviews

9
Heart health improvement
5 people found this helpful
Using this has been a huge blessing. I no longer experience skipped heartbeats and believe it may help lower my cholesterol as well.
Read More
9
COVID-19 recovery
This product helped my parents recover from coronavirus when paired with zinc and vitamin D. They started taking it early on, which eased their symptoms.
Read More
7.5
Heart disease support
3 people found this helpful
This Quercetin product is excellent. I take it with Zinc daily, as it's effective when paired with an ionophore. Quercetin supports heart health and may replace my usual allergy medications, as it’s beneficial for my condition linked to heart disease.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 16 Researches
8.4
  • All Researches
9
Quercetin shows promise for heart recovery
We investigated how quercetin, a natural compound found in fruits and vegetables, could help prevent damage after a heart attack (myocardial infarction). Our study used adult male mice to analyze the effects of two weeks of quercetin treatment before simulating a heart attack.

The results were encouraging: quercetin improved heart function, enhanced survival rates, and minimized heart damage. Additionally, it appeared to reduce inflammation and increase protective immune responses in the heart. Overall, quercetin shows potential as a helpful player in heart disease recovery.
Read More
We aimed to understand how quercetin, a natural flavonoid, might help protect against heart issues linked to hormonal changes in postmenopausal conditions. In our study, ovariectomized female rats received either quercetin treatment or a control substance for four weeks.

We found that quercetin significantly reduced heart damage and the risk of abnormal heart rhythms after restoration of blood flow. Additionally, it seemed to support healthier mitochondrial function. Our findings suggest that quercetin could be beneficial in managing heart health during menopause.
Read More
We explored how senolytics, specifically dasatinib and quercetin, can rejuvenate aging heart muscle cells. By modeling doxorubicin-induced cardiomyopathy in human cardiac organoids, we treated these aged cells with the senolytics after they exhibited age-related damage.

Our findings showed that this treatment reduced oxidative stress and cellular damage, improving cell function and structure. Overall, senolytics were effective in restoring the viability and regenerative capabilities of these heart cells, highlighting their potential for treating age-related heart conditions.
Read More
We explored whether quercetin could help reduce heart damage following a heart attack. In our study, Wistar rats underwent a procedure simulating a heart attack and received quercetin before the reperfusion phase. The results were encouraging—quercetin treatment improved heart function and reduced the formation of harmful substances called NETs. This suggests that quercetin may be a valuable tool for protecting the heart during recovery from cardiac events. However, our findings mainly apply to animal models and require further research in humans for validation.
Read More
9
DBD components help coronary dilation
We explored how Danggui Buxue Decoction (DBD) and its ingredients, such as quercetin, influence coronary artery dilation. By examining pre-constricted coronary arteries in a lab setting with rats, we found that the active components of DBD effectively activated potassium channels, leading to increased blood flow in the coronary arteries.

While DBD shows promise for treating conditions like coronary heart disease, more research is needed to fully understand the mechanisms behind its effects. Overall, our findings suggest it could be a beneficial therapy for those suffering from vascular issues.
Read More

User Reviews

USERS' SCORE
Good
Based on 12 Reviews
8.4
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Heart health improvement
5 people found this helpful
Using this has been a huge blessing. I no longer experience skipped heartbeats and believe it may help lower my cholesterol as well.
Read More
9
COVID-19 recovery
This product helped my parents recover from coronavirus when paired with zinc and vitamin D. They started taking it early on, which eased their symptoms.
Read More
7.5
Heart disease support
3 people found this helpful
This Quercetin product is excellent. I take it with Zinc daily, as it's effective when paired with an ionophore. Quercetin supports heart health and may replace my usual allergy medications, as it’s beneficial for my condition linked to heart disease.
Read More
9
Effective for allergies
1 people found this helpful
My doctor recommended Quercetin to help with my sinus issues, replacing Zyrtec, and it works well. It also boasts great benefits for my heart disease.
Read More
9
Antioxidant benefits
1 people found this helpful
This product is a great antioxidant with anti-inflammatory and antiviral properties, beneficial for heart disease.
Read More

Frequently Asked Questions

9
Heart health improvement
5 people found this helpful
Using this has been a huge blessing. I no longer experience skipped heartbeats and believe it may help lower my cholesterol as well.
7.5
Heart support
A good quercetin supplement providing effective heart support.
9
Antioxidant benefits
1 people found this helpful
This product is a great antioxidant with anti-inflammatory and antiviral properties, beneficial for heart disease.
9
Effective for allergies
1 people found this helpful
My doctor recommended Quercetin to help with my sinus issues, replacing Zyrtec, and it works well. It also boasts great benefits for my heart disease.
9
COVID-19 recovery
This product helped my parents recover from coronavirus when paired with zinc and vitamin D. They started taking it early on, which eased their symptoms.
7.5
Heart disease support
3 people found this helpful
This Quercetin product is excellent. I take it with Zinc daily, as it's effective when paired with an ionophore. Quercetin supports heart health and may replace my usual allergy medications, as it’s beneficial for my condition linked to heart disease.
7.5
Respiratory inflammation aid
1 people found this helpful
The quality and ingredients are excellent. Quercetin aids inflammation in the respiratory tract, immunity, and supports heart disease health. The taste is acceptable, and it's sufficient for a month’s use.

References

  1. Wang L, Lin S, Wei Q, Li T, Mo Q, et al. Preventive Administration of Quercetin Promotes Survival and Reduces Adverse Ventricular Remodeling after myocardial infarction through facilitating M2-like macrophage polarization. Int Immunopharmacol. 2025;151:114296. doi:10.1016/j.intimp.2025.114296
  2. Alam H, Bailing W, Zhao F, Ullah H, Ullah I, et al. An Integrated Network Pharmacology and RNA-seq Approach for Exploring the Protective Effect of Isoquercitrin in Doxorubicin-Induced Cardiotoxicity: Identification of Novel Genes. Cardiovasc Toxicol. 2025;25:541. doi:10.1007/s12012-025-09968-4
  3. Domingos AE, Breves CMDC, Boa LF, de Souza IIA, Maciel L, et al. Quercetin Reduces the Susceptibility to Cardiac Reperfusion Arrhythmias in Ovariectomized Rats. Mol Nutr Food Res. 2025;69:e202400284. doi:10.1002/mnfr.202400284
  4. Long X, Tao S, Yang S, Li S, Rao L, et al. Quercetin improves heart failure by inhibiting cardiomyocyte apoptosis suppressing the MAPK signaling pathway. Nan Fang Yi Ke Da Xue Xue Bao. 2025;45:187. doi:10.12122/j.issn.1673-4254.2025.01.22
  5. Scalise M, Cianflone E, Quercia C, Pagano L, Chiefalo A, et al. Senolytics rejuvenate aging cardiomyopathy in human cardiac organoids. Mech Ageing Dev. 2025;223:112007. doi:10.1016/j.mad.2024.112007
  6. Goshovska Y, Pashevin D, Goncharov S, Lapikova-Bryhinska T, Lisovyi O, et al. Quercetin is a potential therapy for post-infarction NETosis formation. Naunyn Schmiedebergs Arch Pharmacol. 2025;398:5705. doi:10.1007/s00210-024-03602-w
  7. de Oliveira Silva T, Lunardon G, Lino CA, de Almeida Silva A, Zhang S, et al. Senescent cell depletion alleviates obesity-related metabolic and cardiac disorders. Mol Metab. 2025;91:102065. doi:10.1016/j.molmet.2024.102065
  8. Mostafa EMA, Atta R, Maher SA, El-Kherbetawy MK, Ameen AM. Quercetin and its potential therapeutic effects on aluminum phosphide-induced cardiotoxicity in rats: Role of NOX4, FOXO1, ERK1/2, and NF-κB. Tissue Cell. 2024;91:102622. doi:10.1016/j.tice.2024.102622
  9. An W, Tian Q, Guo P, Chen M, Zhang T, et al. Danggui Buxue Decoction and its components dilate coronary artery through activating the inward rectification K channels pathway. J Ethnopharmacol. 2025;338:119064. doi:10.1016/j.jep.2024.119064
  10. Song J, Li S, Zhang B, Wu J, Zhong A. Quercetin protects human coronary artery endothelial cells against hypoxia/reoxygenation-induced mitochondrial apoptosis via the Nrf2/HO-1 axis. Biomed Res. 2024;45:197. doi:10.2220/biomedres.45.197
  11. Guan F, Du H, Li J, Ren H, Dong A. Quercetin Alleviates LPS-Stimulated Myocardial Injury through Regulating ALOX5/PI3K/AKT Pathway in Sepsis. Cardiovasc Toxicol. 2024;24:1116. doi:10.1007/s12012-024-09901-1
  12. Chen Q, Wang J, Sun L, Ba B, Shen D. Mechanism of Astragalus membranaceus (Huangqi, HQ) for treatment of heart failure based on network pharmacology and molecular docking. J Cell Mol Med. 2024;28:e18331. doi:10.1111/jcmm.18331
  13. Chen YF, Qiu Q, Wang L, Li XR, Zhou S, et al. Quercetin Ameliorates Myocardial Injury in Diabetic Rats by Regulating Autophagy and Apoptosis through AMPK/mTOR Signaling Pathway. Am J Chin Med. 2024;52:841. doi:10.1142/S0192415X24500344
  14. Wang X, Xing X, Huang P, Zhang Z, Zhou Z, et al. A Chinese classical prescription Xuefu Zhuyu decoction in the treatment of coronary heart disease: An overview. Heliyon. 2024;10:e28919. doi:10.1016/j.heliyon.2024.e28919
  15. Hu D, Li R, Li Y, Wang M, Wang L, et al. Inflammation-Targeted Nanomedicines Alleviate Oxidative Stress and Reprogram Macrophages Polarization for Myocardial Infarction Treatment. Adv Sci (Weinh). 2024;11:e2308910. doi:10.1002/advs.202308910
  16. Jing J, Fang S, Li Y, Liu W, Wang C, et al. An enhanced cardio-protective effect of nanoparticles loaded with active components from Polygonum orientale L. against isoproterenol-induced myocardial ischemia in rats. Int J Pharm. 2024;655:124047. doi:10.1016/j.ijpharm.2024.124047
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