Quercetin, a powerful antioxidant flavonoid found in many fruits, vegetables, and grains, has gained widespread popularity for its numerous health benefits. Known for its anti-inflammatory, immune-boosting, and antioxidant properties, quercetin supplements are becoming a staple in many wellness routines. This comprehensive guide will explore the top six quercetin supplements of 2025, helping you make an informed choice for your health needs.
How to Choose the Best Quercetin Supplement
When selecting a quercetin supplement, consider the following factors:
- Dosage: Look for supplements with a potent dosage, typically around 500-1000 mg per serving.
- Additional Ingredients: Many products include other beneficial compounds like bromelain, zinc, or vitamin C to enhance absorption and effectiveness.
- Form: Quercetin supplements are available in capsules, tablets, and powders. Choose a form that fits your lifestyle.
- Quality and Purity: Ensure the product is made by a reputable brand, preferably with third-party testing for quality assurance.
- Price and Value: Compare the price per serving and consider the overall value of the product.
Summary: Choose a quercetin supplement with the right dosage, additional beneficial ingredients, preferred form, high quality, and good value for money.
The 7 Best Quercetin Supplements in 2025
1. Nature’s Craft Quercetin with Bromelain Supplement
Price: $21.99
Nature’s Craft Quercetin with Bromelain is a high-potency antioxidant and immune-supporting supplement designed for respiratory, heart, and joint health. It combines 500 mg of quercetin and 100 mg of bromelain per serving, sourced from Sophora Japonica Bud Extract. The supplement supports lung function, reduces inflammation, and enhances immune defenses. It is lab-tested, made in a GMP-compliant facility, and ISO 17025-certified for quality assurance.
Benefits
- Immune Support – Quercetin and bromelain work together to boost the immune system, offering antiviral and anti-inflammatory benefits.
- Joint and Respiratory Health – Helps reduce inflammation, ease joint pain, and support lung function, making breathing easier.
- Heart Health – Acts as a powerful antioxidant to support cardiovascular function and healthy circulation.
- High Absorption – The bromelain enzyme enhances quercetin absorption, improving its overall effectiveness.
What it Contains
- Quercetin (500 mg) – Sourced from Sophora Japonica Bud Extract, providing high bioavailability.
- Bromelain (100 mg) – A natural enzyme known for its anti-inflammatory properties and improved nutrient absorption.
Pros
✔️ Supports immune health, joint mobility, and lung function
✔️ Contains a high-potency combination of quercetin and bromelain
✔️ Lab-tested, GMP-certified, and made in the USA
✔️ Helps reduce inflammation and allergies
Cons
❌ Contains gelatin, making it unsuitable for vegetarians
❌ Some users may need to take it with food to prevent mild stomach discomfort
Customer Feedback:
- Health Benefits: Customers praise its immune-boosting and anti-inflammatory effects, with many reporting better respiratory health and reduced joint pain.
- Effectiveness: Users note improved energy, lung function, and fewer allergy symptoms, with many taking it daily for immune support.
- Ease of Use: Most find the capsules easy to swallow, though a few prefer smaller pills.
- Value for Money: Considered high-quality and cost-effective compared to other quercetin supplements.
Summary: Nature’s Craft Quercetin with Bromelain is a high-potency immune, respiratory, and joint support supplement that provides antioxidant and anti-inflammatory benefits. It’s well-received for its effectiveness in strengthening immunity and reducing inflammation.
2. ForestLeaf Quercetin Bromelain with Stinging Nettle & Vitamin C
Price: $44.95
ForestLeaf Quercetin Bromelain supplement is designed to provide advanced immune support and antioxidant benefits. It features a potent blend of Quercetin Dihydrate, Bromelain, Stinging Nettle Leaf, and Vitamin C, making it a powerful ally for enhancing immunity and alleviating allergy symptoms. This USA-made product is Non-GMO, nut, dairy, and gluten-free, and comes in easy-to-swallow vegetarian capsules.
Benefits:
- Immune Support: Quercetin and Vitamin C work together to boost the immune system, helping the body defend against viruses and other pathogens.
- Allergy Relief: Stinging Nettle Leaf is known for its anti-allergic properties, helping to reduce symptoms like nasal congestion and itchy eyes.
- Enhanced Absorption: Bromelain enhances the absorption of Quercetin, Vitamin C, and Stinging Nettle, maximizing their effectiveness.
- Antioxidant Power: Quercetin acts as a potent antioxidant, helping to reduce oxidative stress and inflammation in the body.
What it Contains:
- Quercetin Dihydrate: 500 mg (from Sophora Japonica Bud Extract)
- Stinging Nettle Leaf (Urtica dioica): 500 mg
- Bromelain (2,400 GDU/g): 150 mg
- Vitamin C (L-Ascorbic acid): 200 mg (222% Daily Value)
- Other Ingredients: Hypromellose (Capsule), Microcrystalline Cellulose, Vegetable Magnesium Stearate, and Silicon Dioxide.
Pros:
- Potent blend of Quercetin, Bromelain, Stinging Nettle, and Vitamin C for comprehensive immune support.
- Non-GMO, gluten-free, and suitable for vegetarians.
- Free from dyes and preservatives.
- Third-party tested for potency and absorption.
- Easy-to-swallow capsules.
Cons:
- May cause mild digestive discomfort for some users.
- Capsules are slightly large for those with swallowing difficulties.
- Not suitable for people allergic to pineapple (source of Bromelain).
Customer Feedback:
- Allergy Relief: Many customers found significant relief from allergy symptoms such as nasal congestion, itching, and sneezing. They praised the product’s effectiveness in reducing allergy flare-ups within a short period.
- Health Benefits: Users reported enhanced immune function, reduced oxidative stress, and better overall health. Some noticed improvements in skin health and digestion.
- Ease of Swallowing: The capsules are generally easy to swallow, though some users found them slightly large.
- Stomach Comfort: Most users experienced no digestive discomfort, and some even noted that it soothed their stomach.
- Breathing Support: Many customers experienced improved breathing and relief from respiratory issues, particularly during allergy season.
Summary: “ForestLeaf Quercetin Bromelain provides a potent blend of immune-boosting ingredients that work synergistically to support overall health. Its combination of Quercetin, Bromelain, Stinging Nettle, and Vitamin C enhances absorption and effectiveness. Customers appreciate its allergy relief, antioxidant power, and ease of swallowing, making it an excellent choice for those seeking natural immune support.”
3. Double Wood Supplements Quercetin with Bromelain
Price: $24.95
Double Wood Supplements Quercetin with Bromelain is formulated to support immune health and enhance antioxidant protection. This powerful combination includes 1000 mg of Quercetin and 200 mg of Bromelain per serving, designed to maximize bioavailability and provide comprehensive health benefits. It is manufactured in the USA and is free from common allergens, making it suitable for a wide range of users.
Benefits:
- Immune System Support: Quercetin is a potent antioxidant and zinc ionophore, enhancing immune function and protecting cells from oxidative damage.
- Enhanced Absorption: Bromelain improves the bioavailability of Quercetin, ensuring maximum effectiveness.
- Anti-Inflammatory Properties: The combination of Quercetin and Bromelain helps reduce inflammation and support respiratory health.
- Metabolic Activation: Quercetin acts as an AMPK metabolic activator, potentially aiding in energy metabolism and overall vitality.
What it Contains:
- Quercetin: 1000 mg per serving (derived from plant flavonoids)
- Bromelain: 200 mg per serving
- Other Ingredients: Hypromellose (Capsule), Rice Flour, and Vegetable Stearate.
Pros:
- High potency blend with 1000 mg Quercetin and 200 mg Bromelain per serving.
- Non-GMO and free from common allergens.
- Manufactured in the USA in a GMP-certified facility.
- Effective combination for enhanced immune support and anti-inflammatory benefits.
- Affordable price with a 2-month supply per bottle.
Cons:
- Capsules are relatively large, which may be difficult for some to swallow.
- Some users experienced minor digestive discomfort.
- Not suitable for those allergic to pineapple (source of Bromelain).
Customer Feedback:
- Immune System Support: Most customers praised its immune-boosting effects, reporting reduced allergy symptoms and improved respiratory health.
- Effectiveness: Many users found it highly effective for reducing inflammation and enhancing overall well-being. Some compared its effectiveness to antihistamines without the drowsiness.
- Ease of Swallowing: Generally considered easy to swallow, though some users found the capsules large.
- Pain Relief: Customers experienced pain relief from conditions such as joint pain and headaches.
- Energy Boost: Users reported increased energy levels, improved metabolism, and better muscle recovery.
Summary: “Double Wood Supplements Quercetin with Bromelain offers a potent combination of Quercetin and Bromelain to enhance immune health, reduce inflammation, and provide powerful antioxidant protection. Its high potency and bioavailability make it an effective supplement for overall well-being. Customers appreciate its immune-boosting benefits, anti-inflammatory properties, and value for money,
4. Toplux Nutrition Quercetin Bromelain Healthy Immune Complex
Price: $12.96
Toplux Nutrition Quercetin Bromelain is formulated as a powerful immune support supplement, designed to enhance antioxidant protection and respiratory health. It features a high dose of 850 mg of Quercetin combined with 200 mg of Bromelain and 30 mg of Zinc per serving, ensuring optimal absorption and effectiveness. This premium quality product is manufactured in the USA and is Non-GMO and GMP-certified.
Benefits:
- Immune Support: Quercetin and Zinc work together to strengthen the immune system, providing enhanced defense against seasonal allergies and infections.
- Respiratory Health: The anti-inflammatory properties of Quercetin and Bromelain support respiratory function and alleviate allergy symptoms.
- Antioxidant Power: Quercetin acts as a potent antioxidant, neutralizing free radicals and reducing oxidative stress.
- Overall Wellness and Vitality: The combination of Quercetin, Bromelain, and Zinc supports cardiovascular health and enhances overall well-being.
What it Contains:
- Quercetin: 850 mg per serving
- Bromelain (2400 GDU/g): 200 mg per serving
- Zinc (as Zinc Oxide): 30 mg (455% Daily Value)
- Other Ingredients: Cellulose (Vegetable Capsule), Silicon Dioxide, and Vegetable Stearate.
Pros:
- High potency blend with Quercetin, Bromelain, and Zinc for enhanced immune support.
- Non-GMO, GMP-certified, and made in the USA.
- Free from artificial preservatives and allergens.
- Effective combination for antioxidant protection and respiratory health.
- Great value for the price.
Cons:
- Capsules are relatively large, which may be difficult for some to swallow.
- Some users may prefer a higher dosage of Quercetin.
- Not suitable for those allergic to pineapple (source of Bromelain).
Customer Feedback:
- Product Quality: Customers praised the product’s quality, noting that it is effective and reliable for daily immune support.
- Value for Money: Many users appreciated the product’s affordability, considering it a great value for the price.
- Overall Satisfaction: Customers expressed satisfaction with its potency, effectiveness, and ease of use.
Summary: “Toplux Nutrition Quercetin Bromelain offers a potent immune-boosting blend with high-quality Quercetin, Bromelain, and Zinc. Its antioxidant and anti-inflammatory properties support respiratory health, enhance overall well-being, and provide robust immune support. Customers appreciate its product quality, effectiveness, and value for money, making it an excellent choice for daily immune protection.”
5. aSquared Nutrition Quercetin 1000mg with Zinc Supplement
Price: $29.95
aSquared Nutrition Quercetin with Zinc is a high-strength flavonoid supplement designed to support immunity, heart health, and overall well-being. It combines quercetin with zinc and elderberry for enhanced immune support and antioxidant protection. The product is vegan-friendly, free from preservatives, gluten, soy, and dairy, and made in the USA.
Benefits:
- Immune System Support: Quercetin, Zinc, and Elderberry work together to strengthen the immune system and provide protection against seasonal changes.
- Antioxidant Protection: Quercetin is a powerful antioxidant that helps neutralize free radicals, reducing oxidative stress and promoting overall health.
- Heart Health and Circulation: Zinc supports cardiovascular health, while Quercetin improves blood flow and circulation.
- Allergy Relief: Quercetin’s anti-inflammatory properties help in alleviating allergy symptoms and inflammation.
What it Contains:
- Quercetin Dihydrate Powder: 1000 mg (yielding 18% potency)
- Black Elderberry: 200 mg per serving
- Zinc (as Zinc Gluconate & Zinc Citrate): 30 mg (273% Daily Value)
- Other Ingredients: Vegetable Cellulose (capsule), Rice Flour
Pros:
- High potency with 1000 mg Quercetin per serving
- Includes Zinc and Elderberry for enhanced immune support
- Vegan-friendly and free from preservatives, gluten, soy, and dairy
- Made in the USA in a GMP-compliant facility
Cons:
- Some users found the capsules slightly difficult to swallow
- High zinc content may not be suitable for everyone (consultation with a healthcare provider recommended)
Customer Feedback:
- Immune Function: Customers appreciate the immune-boosting combination of Quercetin and Zinc, noting improved immunity and reduced inflammation.
- Effectiveness: Users found it effective for overall health, particularly during seasonal changes and for allergy relief.
- Taste and Ease of Swallowing: Most users reported no taste or aftertaste, although a few mentioned the capsules were large.
- Value for Money: Customers consider it a great value for the price, with high potency and a generous supply of 120 capsules.
Summary: aSquared Nutrition Quercetin 1000mg with Zinc Supplement is a powerful immune-boosting and antioxidant formula, enhanced with Elderberry and Zinc. It supports overall health, heart health, and allergy relief, making it a top choice for those seeking a potent and vegan-friendly quercetin supplement.
6. Harmonify Quercetin with Bromelain Complex
Price: $19.99
Harmonify Quercetin with Bromelain is a comprehensive immune support supplement designed to provide a powerful blend of 18 active ingredients, including Quercetin, Bromelain, Vitamin C, Vitamin D3, Zinc, Elderberry, Echinacea, Turmeric, Reishi Mushroom, and more. This potent formulation is crafted to enhance immune defenses, respiratory health, and overall well-being. It also includes Black Pepper Extract for enhanced absorption. Manufactured in the USA in a GMP-certified facility, this supplement is gluten-free, GMO-free, and lab-tested for quality.
Benefits:
- Comprehensive Immune Support: A powerful combination of Quercetin, Zinc, Vitamin C, Vitamin D3, and Elderberry boosts the immune system and supports respiratory health.
- Anti-Inflammatory and Antioxidant Properties: Turmeric, Reishi Mushroom, and Quercetin provide potent antioxidant and anti-inflammatory benefits.
- Enhanced Absorption: Black Pepper Extract improves the bioavailability of key nutrients, maximizing their effectiveness.
- Overall Wellness and Vitality: The blend of herbal extracts and vitamins supports cardiovascular health, joint health, and overall vitality.
What it Contains:
- Vitamin C & Vitamin D3: 800 mg
- Quercetin: 100 mg
- Elderberry: 100 mg
- Turmeric: 50 mg
- Zinc: 50 mg
- Echinacea: 50 mg
- Reishi Mushroom: 50 mg
- Other Active Ingredients: Artemisinin, Irish Sea Moss, Garlic, Ginger Powder, Nettle, L-Lysine HCI, Bromelain, Bifidobacterium Lactis, and Black Pepper Extract.
Pros:
- Comprehensive blend of 18 powerful immune-boosting ingredients.
- Non-GMO, gluten-free, and lab-tested for quality.
- Includes Black Pepper Extract for enhanced nutrient absorption.
- Manufactured in the USA in a GMP-certified facility.
- Great value for the extensive range of active ingredients.
Cons:
- Some users may find the capsules slightly large to swallow.
- The complex blend may not be suitable for those with multiple allergies.
- Lower dosage of Quercetin (100 mg) compared to other supplements.
Customer Feedback:
- Immune Support: Customers praised the product’s comprehensive immune-boosting effects, reporting enhanced respiratory health and reduced allergy symptoms.
- Product Quality: Users appreciated the premium quality and the extensive blend of potent ingredients.
- Value for Money: Many customers considered it a great value for the price, given the wide range of active ingredients.
- Overall Satisfaction: Customers were highly satisfied with its effectiveness, ease of use, and overall health benefits.
Summary: “Harmonify Quercetin with Bromelain offers a powerful immune-boosting blend with 18 potent ingredients, including Quercetin, Vitamin C, Vitamin D3, Zinc, Elderberry, and Reishi Mushroom. Its comprehensive formulation supports immune health, respiratory function, and overall well-being. Customers appreciate its product quality, effectiveness, and value for money, making it an excellent choice for daily immune protection and vitality.”
7. NatureBell Quercetin 1000mg
Price: $27.99
NatureBell Quercetin 1000mg is a high-potency supplement formulated to support immune health and overall well-being. Sourced from natural Sophora Japonica, this product boasts a 95% pure quercetin extract with superior bioavailability. Each bottle provides 240 capsules, ensuring a long-lasting supply of immune-boosting nutrients.
Benefits:
- Promotes immune system health and respiratory function
- Supports antioxidant activity to combat free radicals
- Enhances cardiovascular health and circulation
- Aids in reducing inflammation and allergy symptoms
What it Contains:
- Quercetin (as Quercetin Dihydrate) – 1000mg per serving
- Other Ingredients: Rice flour, magnesium stearate, silicon dioxide, gelatin (capsule)
Pros:
- High concentration of 95% pure quercetin extract
- Free from soy, dairy, gluten, and preservatives
- Provides 240 capsules for extended use
- Manufactured in the USA and third-party lab tested
Cons:
- Contains gelatin, not suitable for vegans
- Large capsule size may be difficult to swallow for some users
Customer Feedback:
Customers appreciate the immune-boosting effects and high potency of NatureBell Quercetin. Many users note improvements in respiratory health and allergy relief. The product’s ease of swallowing and absence of side effects are frequently praised. However, a few customers find the capsule size slightly challenging to ingest.
Summary: NatureBell Quercetin 1000mg stands out for its high potency and pure quercetin extract. It effectively supports immune health, cardiovascular function, and antioxidant activity. Ideal for long-term use with 240 capsules per bottle, it remains a popular choice among health-conscious individuals.
Final Note
Choosing the right quercetin supplement can significantly enhance your health, offering robust immune support, antioxidant protection, and anti-inflammatory benefits. The products reviewed here represent some of the best options available in 2025, ensuring quality, efficacy, and value for your wellness journey.