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Item #:
39778150
Natural Factors Quercetin - Antioxidant Support Supplement for Respiratory & Lung Health Support - Quercetin Supplement Aids Your Bodys Health &
Item #:
39778150
USD 29
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What Stands Out
Immune Boosting
Quercetin promotes a strong immune response, helping to fight off seasonal illnesses effectively and keeping you healthy year-round.
High Potency
With 500 mg of potent quercetin per capsule, this formulation ensures maximum efficacy for optimal health benefits in a convenient dosage.
Natural Ingredients
Crafted from natural sources, these capsules are a clean supplement choice, free from artificial additives, making it a great addition to any health regimen.
Product Details
| Product Dimensions | 2.4 x 2.4 x 4.25 inches (6.1 x 6.1 x 10.8 cm); 2.4 ounces (68.04 grams) |
| Item model number | 1390 |
| National Stock Number | B08Q3Z291S |
| Date First Available | June 20, 2020 |
| Manufacturer | Natural Factors |
| Brand Name | Natural Factors |
| Item Form | Capsule |
| Primary Supplement Type | Quercetin |
| Diet Type | Vegetarian |
| Flavor | Unflavored |
| Product Benefits | Immune Support |
| Age Range Description | Adult |
| Specific Uses For Product | Immune Support |
| Number of Items | 1 |
| Dosage Form | Capsule |
| UPC | 068958013909 |
| Unit Count | 60 Count |
| Item Dimensions | 2.4 x 2.4 x 4.25 inches (6.1 x 6.1 x 10.8 cm) |
| Country of Origin | This item will be imported from US |
| What is in the box | Natural Factors Quercetin -... For more details, please check description/product details |
Who Should Buy?
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Immune Compromise
Individuals with weakened immune systems may benefit from Quercetin to enhance immune response and support overall health.
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Seasonal Allergies
Those suffering from seasonal allergies may find relief as Quercetin helps reduce allergy symptoms and inflammation.
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Antioxidant Support
Health-conscious individuals seeking antioxidant benefits may use Quercetin to combat oxidative stress and promote cellular health.
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Pregnant Women
Quercetin is not recommended for pregnant individuals due to insufficient safety data for its use during pregnancy.
Product Description
Natural Factors Quercetin - Antioxidant Support Supplement for Respiratory & Lung Health Support - Quercetin Supplement Aids Your Bodys Health & Function - 60 Vegetarian Capsules 60 Servings
Dietary Supplement Disclaimer
Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is Quercetin and how does it support the immune system?
Answer: Quercetin is a natural flavonoid found in various fruits and vegetables, known for its antioxidant properties. It supports the immune system by reducing inflammation and enhancing the body's defense mechanisms against pathogens. Consuming Quercetin supplements like Natural Factors Quercetin 500 mg can help bolster your immune response, especially during seasonal changes or outbreaks of illness. This is particularly beneficial for individuals who may be exposed to high levels of allergens or pollutants. -
Question:
Who can benefit from taking Natural Factors Quercetin?
Answer: Natural Factors Quercetin is ideal for individuals looking to enhance their immune support, especially those prone to seasonal allergies, respiratory infections or those with weakened immune systems. It can also be beneficial for athletes or active individuals who face oxidative stress due to intense physical activity. As a supplement, it provides a convenient way to increase your intake of Quercetin, supporting overall health during times of increased physical or environmental stress. -
Question:
How should I take Natural Factors Quercetin for optimal results?
Answer: For best results, it is recommended to take one capsule of Natural Factors Quercetin 500 mg per day, preferably with a meal. This helps enhance absorption and maximizes its benefits. Combining this supplement with a balanced diet rich in fruits and vegetables can further complement its immune-boosting effects. Consider integrating it into your daily wellness routine, particularly during peak allergy seasons or when you feel your immune defenses need an extra boost. -
Question:
Are there any side effects associated with Quercetin supplements?
Answer: Quercetin is generally well-tolerated, but some individuals may experience mild side effects such as headaches, digestive upset, or tingling sensations. These effects are typically short-lived. It’s advisable to consult with a healthcare provider before starting any new supplement, especially if you have underlying health conditions or are taking medications. Monitoring how your body responds during initial use can also help determine your tolerance. -
Question:
Can I take Natural Factors Quercetin with other medications?
Answer: Quercetin can interact with certain medications such as blood thinners, antibiotics, and antihistamines. It’s crucial to speak with a healthcare professional before combining Quercetin with other treatments to ensure safety and effectiveness. This approach helps tailor your health regimen to your specific needs, minimizing the risk of potential interactions and maximizing the benefits of both the supplement and your medication. -
Question:
Is Natural Factors Quercetin suitable for vegetarians and vegans?
Answer: Yes, Natural Factors Quercetin 500 mg capsules are suitable for both vegetarians and vegans as they do not contain any animal-derived ingredients. This makes it an excellent choice for those following plant-based diets who are looking to enhance their immune system support naturally. Be sure to check the label for certification details, ensuring that the product meets your dietary preferences. -
Question:
How does Quercetin help with seasonal allergies?
Answer: Quercetin acts as a natural antihistamine, reducing the release of histamines that cause allergic reactions such as sniffles, sneezes, and itchy eyes. By stabilizing the cells that release these substances, Quercetin can help alleviate the discomfort associated with seasonal allergies. Using Natural Factors Quercetin during pollen-heavy months can provide relief and support for those sensitive to allergens, promoting better breathing and overall wellness. -
Question:
What are the primary benefits of taking Quercetin?
Answer: The primary benefits of taking Quercetin include enhanced immune support, improved respiratory health, and reduced inflammation. Additionally, it serves as a powerful antioxidant, helping to fight oxidative stress caused by environmental toxins and pollutants. Regularly incorporating Natural Factors Quercetin in your routine can lead to improved your overall well-being, particularly during periods of higher stress or exposure to allergens. -
Question:
Can Natural Factors Quercetin be taken by children?
Answer: While Quercetin is generally considered safe, it’s important to consult a pediatrician before giving Natural Factors Quercetin to children. The appropriate dosage may vary based on age, weight, and individual health needs. A healthcare provider can provide personalized recommendations to ensure that your child receives the benefits without risk. For children with respiratory issues or allergies, a tailored approach can be very effective. -
Question:
Where can I buy Natural Factors Quercetin 500 mg for Immune Support, 60 Capsules?
Answer: You can purchase Natural Factors Quercetin 500 mg for Immune Support, 60 Capsules at Ubuy. They offer a reliable platform to buy health supplements and ensure that you receive quality products delivered to your doorstep.
Nutritionist's Take
Natural Factors Quercetin 500 mg is recognized by nutritionists as a beneficial supplement for immune support due to its antioxidant properties. Quercetin is a flavonoid that may help reduce inflammation and support respiratory health, making it a popular choice among those looking to bolster their immune systems. The product’s ingredient quality is generally rated positively, with the capsules being free from artificial preservatives and suitable for vegetarians. However, potential drawbacks include limited human studies on quercetin’s efficacy in high doses, leading some nutritionists to recommend obtaining flavonoids from whole food sources like fruits and vegetables. Overall, while it can be a smart addition for immune support, especially in specific dietary needs, consumers should consider a balanced diet as a primary approach to health.
Flavonoids 1390 Editorial Review
Natural Factors Quercetin 500 mg for Immune Support has received positive reviews from customers claiming it has helped boost their immune system and keep them healthy. The product is recommended by naturopaths and has been used in combination with other supplements for years without any issues. Customers Consider this a great product at a great price and recommend it to others. However, one reviewer was disappointed that the product didn't contain zinc and copper despite the picture on the packaging suggesting so.
Customer Reviews & Ratings
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Pros
- Boosts immune system
- Positive reviews from users
- Recommended by naturopaths
- Works well when combined with other supplements
- Great price
Cons
- Packaging may be deceiving
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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USD 29
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Features & Benefits
- Provides immune, seasonal allergy, cellular & heart health support
- Promotes healthy inflammatory response and sinus & respiratory health
- Helps in better absorption of nutrients
- Plant-based, suitable for vegans and vegetarians
- Independently tested and third-party certified
- Just 1 capsule 1-2 times each day
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