Quercetin, a potent flavonoid and antioxidant found in many fruits, vegetables, and grains, has gained popularity for its documented anti-inflammatory and immune-boosting properties. As the demand for quercetin supplements increases, choosing the right one becomes a challenge due to the variety of options available.
When seeking the optimal quercetin supplement, critical factors include the diversity of the source, such as onions, apples, or capers, which affects purity and quality. Equally important is the dosage and form, as some supplements may contain fillers that affect bioavailability.
After extensive research and testing, we’ve identified the top quercetin products based on factors such as source, purity, dosage, and formulation. In the following sections, we’ll provide detailed reviews of each product, highlighting the features that set them apart.
Best Quercetin Supplements
| Best Product | |||
 |  |  | |
| Product | ProHealth | Double Wood | PartiQlar |
| Effects | ✓ Antioxidant ✓ GMP Certified ✓ Essential Vitamins | ✓ Immune System ✓ Third-party tested ✓ Made in USA | ✓ Senolytic effects ✓ Antioxidant ✓ Immune system |
| Side Effects | ✓ NO side effects | ✓ NO side effects | ✓ NO side effects |
| Content | 100 Tablets | 120 Capsules | 60 Capsules |
| Dosage | 3 Tablets | 2 Capsules daily | 1 Capsule daily |
| Enough for | 30 days | 60 days | 60 days |
| Price | 20,28 Dollar | 24,95 Dollar | 31,99 Dollar |
| Rating | ⭐⭐⭐⭐⭐ 5/5 | ⭐⭐⭐⭐⭐ 5/5 | ⭐⭐⭐⭐⭐ 5/5 |
 | | |
In our quest to identify superior quercetin supplements, we conducted thorough research and testing to bring you the most commendable options. Quercetin, a potent flavonoid known for its anti-inflammatory and antioxidant properties, has shown promise in supporting the immune system, cardiovascular health, and respiratory well-being. With so many choices, our selection criteria focused on quality, efficacy, and customer reviews to determine the best supplements. Here are our recommendations for the best quercetin supplements.
#1 PartiQlar Quercetin
- Reduces blood pressure
- Anti-cancer activity
- Support for auto-immune diseases
- Price: 31,99 USD
In the search for a premium supplement, PartiQlar Pure Quercetin emerges as a compelling contender worthy of scrutiny. With a myriad of potent benefits, this supplement stands out as a valuable addition to one’s health regimen.
Pros:
- Immune Support Properties: PartiQlar Pure Quercetin is promoted for its immune-supporting properties, making it a favorable choice for individuals looking to boost their immune systems against various challenges.
- Commitment to High Purity: PartiQlar Pure Quercetin is committed to maintaining high purity, ensuring maximum potency of the natural compound and emphasizing an optimal quercetin experience.
- Powerful Antioxidant Properties: The supplement is known for its potent antioxidant properties, which play a crucial role in reducing oxidative stress and supporting overall health, making it attractive to health-conscious individuals.
Cons:
- Requires consistent and prolonged use: As with many supplements, optimal results with PartiQlar Pure Quercetin may require consistent and prolonged use. Users should be patient in anticipating the full range of benefits, in keeping with the general trajectory observed in the dietary supplement field.
Real PartiQlar Quercetin Reviews
Since incorporating PartiQlar Pure Quercetin into my daily routine, I've noticed a significant improvement in my overall well-being. The commitment to high purity is evident in the quality, and the powerful antioxidant properties seem to have reduced the effects of oxidative stress. I feel more energetic and healthier and have made this supplement a staple in my daily health regimen.
In summary, PartiQlar Pure Quercetin is a notable option for those seeking a supplement that prioritizes purity and offers robust antioxidant support. However, users should be aware that unlocking the full potential of this supplement requires consistent and continuous use over time.
#2 DoubleWood
- Supports Immune System Health
- Includes 100 mg Bromelain
- Manufactured in the USA
- Price: 24,95 USD
Double Wood’s is a targeted dietary supplement carefully formulated to support immune system health.
Containing 500 mg of quercetin per capsule, supplemented with 100 mg of bromelain, this formulation is strategically designed to potentially enhance quercetin absorption, thereby increasing its bioavailability.
The brand recommends a daily dosage of 1000 mg, equivalent to the intake of 2 capsules. Specifically, consumption with meals is recommended to take advantage of quercetin’s fat solubility for optimal efficacy.
Manufactured in the USA, Double Wood Quercetin adheres to Good Manufacturing Practices (GMP) and undergoes rigorous third-party testing to ensure unwavering quality. It is proudly soy-free, gluten-free, non-GMO, and vegan to accommodate diverse dietary preferences.
Pros:
- Contains bromelain for potential enhancement of quercetin absorption.
- Soy-free, gluten-free, non-GMO, and vegan formulation.
- Third-party tested for quality assurance.
- GMP-certified, ensuring manufacturing standards.
- Made in the USA, emphasizing domestic production.
Cons:
- Credibility in competitive supplement market.
- Comparatively higher price.
Real DoubleWood Reviews
I've been using DoubleWood Quercetin for the past six months and it has really made a noticeable difference in my overall well-being. As someone who's always been aware of immune health, the addition of bromelain for better absorption sets this product apart. I rarely get sick, and I credit this supplement for providing that extra layer of immune support. The fact that it's soy-free, gluten-free, and vegan is a huge bonus for someone with dietary restrictions like me. Definitely worth the investment!
Available at $69.95 for a triple pack, customers have the option of subscribing to receive a 10% discount. While the product has a higher price point, positive reviews confirm customer satisfaction with its quality and perceived benefits.
#3 ProHealth Quercetin
- Potent Antioxidant
- Easily absorbed Formula
- Promote healthy inflammation response
- Price: 20,28 USD
ProHealth’s Quercetin/Bromelain Complex stands out as a comprehensive blend artfully enriched with essential vitamins and minerals to enhance its overall effectiveness.
This supplement strategically combines the benefits of quercetin with bromelain, a group of enzymes known to potentially enhance the absorption and effectiveness. Especially valuable during the pollen season, this synergistic blend is designed to help balance the body’s histamine response and support a healthy inflammatory response.
The recommended serving size for the Complex is 3 tablets, providing a substantial 1g of quercetin per serving.
ProHealth prioritizes quality assurance through third party laboratory testing to ensure the integrity of its products. In addition, the brand adheres to Good Manufacturing Practices (GMP) and boasts FDA registration for its manufacturing practices.
Priced at $20.28, this supplement not only offers value for its quality, but also comes with a 75-day money back guarantee. This guarantee underscores ProHealth’s confidence in the product’s effectiveness and its commitment to ensuring customer satisfaction.
Pros:
- Strategic combination of quercetin and bromelain may increase efficacy.
- 75-day money-back guarantee provides a risk-free trial period.
- Third-party testing ensures product quality is verified.
- GMP (Good Manufacturing Practices) certified manufacturing processes indicate high production standards.
- Inclusion of essential vitamins and minerals provides additional health benefits.
Cons:
- Potential for diarrhea with very high doses of bromelain.
Real ProHealth Reviews
The 75-day money back guarantee is a testament to ProHealth's belief in their product. This extended trial period allowed me to truly evaluate the effectiveness of the Quercetin/Bromelain Complex. Not only did I experience positive results in terms of allergy support, but the guarantee also reflects the brand's commitment to customer satisfaction. It's rare to find such a combination of quality and safety in an inexpensive supplement.
Despite this consideration, the product’s overall strengths, including third-party testing, GMP certification, and a robust money-back guarantee, make it a compelling choice for those seeking a well-rounded quercetin supplement.
#4 Purovitalis
- boosting the immune system
- reducing inflammation
- fighting free radicals
- Price: 35,00 USD
Purovitalis has secured its position as a premier supplement provider in the marketplace, particularly lauded for its quercetin offering presented in liposomal form. This innovative delivery method ensures that a significant portion of the 125 mg of quercetin per serving effectively enters the bloodstream, setting it apart in terms of bioavailability.
The quercetin used is derived from Saphora japonica extract, underscoring a commitment to natural origins rather than synthetic production.
Pros:
- Subjects to third-party quality assurance testing.
- Offers an economically attractive option for consumers.
- Manufactured under Good Manufacturing Practices (GMP) standards.
- Achieves enhanced bioavailability through liposomal delivery.
Cons:
- Limited availability through major online retail channels.
- Not easily accessible through platforms with extensive customer feedback.
Real Purovitalis Reviews
Customer feedback further underscores Purovitalis’ standing, with commendable reviews contributing to its reputation for efficacy. However, it’s important to note that the product’s absence from major online retailers limits the availability of detailed customer feedback typically found on these platforms.
I have been using Purovitalis for a few months now and the difference in my energy level is amazing. I used to feel tired and sluggish, but since incorporating this supplement into my routine, I've experienced a significant increase in vitality. I can now tackle my daily tasks with renewed enthusiasm and the sustained energy throughout the day is truly remarkable.
Purovitalis distinguishes itself by incorporating a liposomal formulation, an extra layer of sophistication. Of note is the use of soy in the liposomes, with the manufacturer explicitly assuring consumers of its GMO-free status. This consideration addresses the preferences of those discerning customers who actively seek products free from genetically modified organisms.
#5 VitalityPRO
- Improved Brain Health & Memory
- Improved Mood
- Type 2 Diabetes Prevention
- Price: 32,00 USD
vitalityPRO stands out as a dietary supplement harnessed from the natural reservoir of Sophora japonica, meticulously formulated to deliver a robust 500 mg of quercetin per capsule.
As the provider asserts, this potent botanical compound has garnered recognition for its multiple health benefits, backed by extensive research that includes cellular studies, animal studies, and human studies.
Buyers will find 90 capsules in each package, with the brand’s recommended daily dosage ranging from 1 to 2 capsules. For optimal absorption, vitalityPRO recommends taking the capsules with a nutritious, high-fat meal, resulting in a quercetin intake of between 500 mg and 1000 mg.
To cater to different preferences, the product proudly carries the vegan-friendly label, ensuring that its composition is free of GMOs, artificial colors, preservatives, flavors, and common allergens. Notably, the supplement is packaged in 100% biodegradable packaging, in keeping with today’s environmental awareness.
Pros:
- Manufactured under GMP standards for quality assurance.
- Environmentally friendly with 100% biodegradable packaging.
- Third-party tested for quality and potency.
- Vegan friendly formulation.
Cons:
- Lack of specific bioavailability information.
- A potential challenge for prospective consumers seeking a comprehensive understanding of supplement efficacy.
Real VitalityPRO Reviews
I've been on a plant-based journey for years, and finding a reliable and vegan-friendly supplement is always a challenge. Enter vitalityPRO Quercetin! Not only is it a testament to environmental responsibility with its biodegradable packaging, but the vegan formulation gives me the energy boost I need for my active lifestyle. Knowing that it's third-party tested gives me the peace of mind I've been looking for in a supplement.
In addition to quercetin, the capsule composition includes vegetable cellulose for the capsule as well as microcrystalline cellulose and rice concentrate as additional ingredients.
vitalityPRO places a premium on quality assurance by adhering to Good Manufacturing Practices (GMP) standards and subjecting its product to third-party testing.
Available at a price point of $32.00 per unit, customers have the option to subscribe for a 5% savings.
#6 NatureBell Quercetin
- Antioxidant
- High concentrated 95% pure quercetin
- Natural herbal ingredient
- Price: 42,86 USD
For individuals looking for a highly concentrated supplement that provides a natural and potent source of antioxidants and flavonoids, NatureBell Quercetin Supplement is a compelling option.
Pros:
- Natural source: Derived from soy-free Sophora japonica, known for its biologically activated, high-potency form of quercetin.
- Generous supply: Each bottle contains 240 capsules, providing a substantial 1,000mg dose per serving.
Potential 4-month supply, providing long-lasting value. - Comprehensive Exclusions: Free of soy, dairy, gluten, preservatives and additives.
- Non-GMO and third-party lab tested to ensure safety and potency.
Cons:
- Some users may experience mild side effects such as headaches or upset stomach.
- Not recommended for pregnant or nursing women.
- Not recommended for individuals with liver or kidney disease.
- Not recommended for those taking blood thinners.
In our evaluation, NatureBell Supplement proves to be an effective immune support supplement that contributes to overall health and well-being. The convenience of consumption, coupled with a substantial dose of quercetin per serving, facilitates the strengthening of a healthy immune system and the reduction of inflammation.
#7 Solaray Quercetin
- Blood vessel health
- Circulatory health
- Boost Immune System
- Price: 28,99 USD
For individuals seeking robust immune health and maintenance of optimal uric acid levels, we highly recommend SOLARAY Quercetin 500 mg.
Pros:
- Antioxidant and immune support
- Respiratory Health Benefits
- Ideal for Keto Diet
Cons:
- Capsule integrity
- Concerns about discoloration
- Caution for anticoagulant users
SOLARAY Quercetin 500 mg is a reliable and effective supplement with remarkable benefits for antioxidant processes, immune health and respiratory well-being. Its alignment with the keto diet makes it a versatile choice. However, users should be aware of reported issues with capsule integrity and potential discoloration. Individuals on anticoagulants are advised to approach the supplement with caution. Overall, SOLARY is a commendable choice for those who prioritize overall health and wellness.
#8 Horbäach Quercetin
- 1,170mg of Quercetin
- Trusted Ingredients
- 100% Guaranteed
- Price: 19,89 USD
For individuals seeking a high-potency quercetin supplement with a commitment to purity and natural exclusions, we highly recommend Horbäach Capsules.
Pros:
- Potent Formula: Each serving of this advanced supplement delivers an impressive 1,170mg of Quercetin in quick-release capsules, ensuring ease of consumption.
- Purity and Potency Commitment: Horbäach’s dedication to maintaining the highest standards of purity and potency is reflected in the expertly crafted formula, instilling confidence in the product’s quality.
- Laboratory Tested: The supplement undergoes rigorous laboratory testing, guaranteeing superior quality and offering a 100% satisfaction assurance.
Cons:
- Occasional Plastic Taste: Some users have reported a rare occurrence of a plastic taste from the capsule after swallowing.
- Limited Reviews: As a relatively new entrant to the market, Horbäach Quercetin Capsules may not have as many reviews compared to some other supplements.
- Slightly Higher Price: The product’s price may be marginally higher than some alternatives, but the elevated potency and quality justify the investment.
Our experience with Horbäach Capsules has been exceedingly positive, positioning it as one of the premier quercetin supplements available. The supplement’s high potency proves effective in supporting immune function, reducing inflammation, and fostering overall health. The quick-release capsules enhance ease of consumption, and the product’s natural exclusion of common allergens and commitment to being non-GMO adds to its appeal.
For those in pursuit of a top-tier quercetin supplement characterized by purity and potency, we wholeheartedly recommend Horbäach Capsules.
What Is Quercetin?
Quercetin, characterized by its distinctive yellow hue, is a flavonoid that is abundant in plants and dietary supplements. Flavonoids, a class of natural compounds, are commonly found in the skins of fruits and vegetables, as well as in flowers, grains, bark, roots, stems, tea, and wine.
The widespread appeal of flavonoids, including quercetin, stems from their diverse applications in cosmetics, health, and medicine due to their potent antioxidant, anti-inflammatory, anticarcinogenic, and antimutagenic properties. As a result, quercetin stands out as a versatile natural element with significant potential for various health and wellness benefits.
Quercetin Benefits
Quercetin supplements have emerged as the subject of ongoing clinical trials, revealing a spectrum of potential benefits across multiple health domains. Notable areas of investigation include cardiovascular health, allergy relief, athletic performance, brain health, and the reduction of overall inflammation.
- Allergy relief: In the realm of allergy relief, quercetin is thought to exert its influence by stabilizing mast cells, which are responsible for the release of histamine during allergic reactions. Complemented by its anti-inflammatory properties, it holds promise in alleviating symptoms associated with allergies, offering potential relief from sneezing, runny nose, and itching.
- Athletic performance: Quercetin’s effect on athletic performance is characterized by its potential to increase endurance and reduce fatigue. This is attributed to its role in improving mitochondrial biogenesis in muscle and brain cells, effectively increasing energy production. In addition, its anti-inflammatory and antioxidant properties may speed recovery after exercise by minimizing muscle damage and inflammation.
- Brain Health: Quercetin’s neuroprotective potential stems from its antioxidant and anti-inflammatory properties. Research suggests its ability to protect neurons from oxidative stress, a significant factor in neurodegenerative diseases such as Alzheimer’s and Parkinson’s. Promisingly, it may inhibit the formation of harmful brain plaques associated with Alzheimer’s disease and reduce chronic inflammation, contributing to cognitive well-being.
- Cardiovascular Health: Quercetin has been postulated to promote cardiovascular health through multiple mechanisms. These include increasing vascular elasticity, reducing inflammation, and potentially lowering blood pressure. In addition, quercetin’s antioxidant properties play a key role in counteracting oxidative stress, a recognized contributor to heart disease. Recent research also suggests its ability to inhibit platelet aggregation, potentially reducing the risk of blood clots and related cardiovascular events.
- General inflammation: Quercetin’s potent anti-inflammatory properties position it as a potential ally in the treatment of conditions characterized by chronic inflammation, such as arthritis, heart disease, and certain skin conditions. Its mechanism involves inhibiting the production and activity of pro-inflammatory substances such as cytokines and enzymes. Quercetin’s antioxidant properties also help to protect cells from damage caused by inflammatory processes.
Securing A High Quality Quercetin Supplement
When shopping for a quercetin supplement, it is important to choose a reputable distributor, such as Fullscript, that specializes in direct-to-consumer shipments. Unlike larger, multi-focused companies that may store supplements in non-temperature-controlled warehouses, leading to compromised quality and the risk of expired products reaching consumers, dedicated supplement distributors prioritize product integrity.
Our selection process for the best quercetin supplements includes identifying reputable brands that undergo third-party testing to validate their quality. In addition, we prioritize brands that manufacture supplements in Good Manufacturing Practice (GMP) certified facilities. GMP certification ensures that manufacturing practices are subjected to rigorous audits, confirming adherence to the highest standards.
For those seeking assurance against counterfeits or compromised potency due to improper storage and shipping, we recommend using the link provided to create a free Fullscript account. This not only provides access to a discount on your supplements, but also ensures a reliable and quality-driven source for your quercetin supplementation needs.
Possible Quercetin Side Effects
While generally considered safe for most people, quercetin supplements may cause side effects, especially when taken in high doses. Common manifestations include
- Kidney damage: Excessive consumption of quercetin, especially at very high doses, may pose a potential risk of damage to the kidneys.
- Drug interactions: Quercetin may interact with certain medications, such as antibiotics or blood thinners, potentially altering their effectiveness.
- Digestive problems: High doses of quercetin may cause upset stomach, indigestion, acid reflux, or diarrhea in some individuals.
- Headaches and tingling: Quercetin use may cause headaches or a tingling sensation in the arms and legs in some individuals.
To reduce these risks, it is imperative to adhere to the recommended dosage as stated on the product label. In addition, it is advisable to consult with a healthcare provider before starting any new supplement regimen to ensure compatibility with individual health conditions and medications.
Pregnant and breastfeeding women should use caution and avoid quercetin supplements due to insufficient safety data in this population. Always prioritize informed decisions and seek professional guidance to ensure a safe and effective supplementation experience.
Natural Food Sources Of Quercetin
Quercetin, a potent flavonoid, is found in a variety of natural foods. Here are some notable sources:
- Whole grains: Combine whole grains with quercetin-rich herbs such as sage and elderberry for a nutritional boost.
- Beverages: Green tea and red wine, known for their antioxidant properties, are also quercetin-rich options.
- Apples: Especially in their skins, apples are an excellent source of quercetin..
- Vegetables: Include quercetin in your diet by eating vegetables such as kale, tomatoes, and broccoli.
- Onions: Both red and white onions are high in quercetin, making them a valuable addition to your diet.
- Other fruits: Berries, such as blueberries and raspberries, and citrus fruits, such as oranges and grapefruit, are rich sources of quercetin.
By incorporating these foods and beverages into your daily diet, you can reap the potential benefits of quercetin and support your overall health and well-being.
Who Should Avoid Quercetin?
While quercetin offers potential health benefits, certain individuals should exercise caution or avoid supplementation altogether. Here are some important considerations:
- Drug interaction: Quercetin may interact with certain medications, including calcium channel blockers, estradiol, and immunosuppressants. Individuals taking these medications should exercise caution and seek professional medical advice before considering supplementation.
- Caffeine Sensitivity and Medication Use: Individuals sensitive to caffeine and those taking prescription medications should approach supplementation with caution. Research suggests that quercetin may inhibit the metabolism of caffeine and interfere with CYP enzymes involved in the metabolism of various drugs.
- Kidney health: Extremely high doses of quercetin have been associated with the potential for kidney damage. Therefore, individuals who are pregnant, breastfeeding, or have kidney disease are advised to avoid supplementation and consult their healthcare provider for personalized guidance.
As a general precaution, it is important to consult with a physician or qualified health care professional before incorporating quercetin supplements into your routine. This will ensure personalized advice that takes into account individual health conditions, medications, and potential interactions.
Frequently Asked Questions
What are the benefits of Quercetin?
Embracing the role of a potent antioxidant, supplements offer a spectrum of benefits. From reducing inflammation and improving cardiovascular health to supporting immune function, quercetin may also have anti-allergic and anti-viral properties and help fight certain types of cancer.
How much quercetin should you take?
The recommended dosage for quercetin supplements varies based on product specifics and individual needs. Generally in the range of 500-1000 mg per day, adherence to product label instructions and consultation with a healthcare professional are essential before beginning any supplementation regimen.
Which form of quercetin has the highest bioavailability?
The peak bioavailability is found in its dihydrate form. Known for its superior absorption, quercetin dihydrate stands out among the various formulations.
Quercetin alone or with bromelain?
The addition of bromelain, an enzyme derived from pineapples, to supplements is a common practice. This combination not only enhances quercetin absorption, but may also provide additional health benefits. However, the effectiveness as a stand-alone supplement should not be underestimated.
Is Quercetin safe?
While quercetin is generally considered safe within recommended doses, it is best to consult a healthcare professional before incorporating it into your daily routine.
Conclusion
In the realm of quercetin supplementation, a clear hierarchy emerges, with quercetin phytosome supplements reigning supreme. The difference in absorption between these premier supplements and their conventional counterparts is nothing short of remarkable, leaving a lasting impact on our bloodstream.
Choosing a premium supplement fortified with Quercetin Phytosome may cost a bit more, but the tangible benefits far outweigh the expense. With an astounding 20-fold increase in absorption and enhanced efficacy, the additional investment proves to be a wise choice when considering the significant increase in the amount absorbed by the body.
In the search for natural means to reduce inflammation and increase energy levels, quercetin emerges as a key supplement. Its multifaceted contributions range from mitigating oxidative stress, fighting free radicals, and reducing inflammation to boosting the immune system. This holistic support system culminates in reduced fatigue and increased cellular energy.
However, it is imperative to recognize that while quercetin supplements play an important role, they are only one facet of a comprehensive health optimization strategy. There is a pantheon of approaches that range from incorporating premium NAD supplements to strengthening mitochondrial function, optimizing detoxification processes, and refining sleep patterns. It is important to note that no supplement can compensate for a diet rich in inflammatory foods or a stress-filled lifestyle. Therefore, choosing one of the best quercetin supplements should be viewed as an integral part of an overall strategy aimed at optimizing holistic health.
Sources
- M. R. Sharifi-Rad et al. “Quercetin and its Role in Chronic Diseases.” Nutrients. 2020. Read Article
- ScienceDirect. “Quercetin.” Available at: Read Article
- Nutrients. “Quercetin as a Potential Modulator of P-glycoprotein Expression and Function in Cells of the Blood-Brain Barrier.” 2020. Read Article
- PubMed Central. “Antimutagens: A Review of Natural and Synthetic Compounds Employing Different Assays.” Read Article
- PubMed Central. “Quercetin, Inflammation and Immunity.” 2016. Read Article
- ACS Omega. “A Comprehensive Review on Quercetin and its Dietary Sources.” 2020. Read Article
- USDA Agricultural Research Service. “USDA Database for the Flavonoid Content of Selected Foods.” Read Article
- ScienceDirect. “Quercetin and its Effects on Neurological Diseases.” Read Article
Jayson Peterson is an experienced pharmacist, naturopathic physician, medical examiner, and minister. After earning his Doctor of Pharmacy degree from the Medical University of South Carolina, Jayson Peterson completed clinical rotations at several prestigious healthcare institutions and has been affiliated with several pharmacy chains throughout his career. His main passion and zeal is focused on providing world-class patient care by giving precise details and thorough instructions to those who need it most.
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