A bottle of Nature Span® Lung Support Quercetin Complex dietary supplement with capsules inside, labeled for supporting lung health.

Lung Support Quercetin Complex

$59.99

4.2

Quantity:

Bottle Size: 60 Veggie Capsules

60 Veggie Capsules

Key Benefits

✔ Supports comfort and clarity in normal breathing
✔ Helps maintain a balanced response to environmental exposure
✔ Provides antioxidant support against smoke, dust, and pollutants
✔ Promotes natural airflow and overall respiratory comfort
✔ Contributes to daily wellness and defense balance

High-Potency Vitamin C Citrus Bioflavonoids Vegan Capsules Produced in USA

The Nature Span® Difference

🧬 Quercetin + Vitamin C Synergy

Potent antioxidants work together to help neutralize free radicals, support balanced responses to environmental factors, and promote daily breathing comfort.

🧬 Citrus Bioflavonoid Complex

Complementary plant bioflavonoids help recycle vitamin C and enhance quercetin activity, providing focused nutritional support for upper wellness and clarity.

🧬 High-Potency, Targeted Formula

1,000 mg vitamin C, 500 mg quercetin, and 66 mg citrus bioflavonoids per serving provide robust antioxidant and environmental wellness support for those exposed to urban pollution, smoke, and airborne particles.

🧬 Clean Quality You Can Trust

Vegan capsules, and allergen-conscious, produced under rigorous GMP/NSF standards for purity, potency, and consistency.

Supplement Facts

Nature Span® Lung Support Quercetin Complex

Supplement Facts

Serving Size: 1 Capsule

Servings Per Container: 60

Amount Per Serving

%DV

Vitamin C

(as Ascorbic Acid)

1000 mg

1111%

Quercetin

(Dihydrate)

500 mg

†

Citrus Bioflavonoid Complex

(Derived from Citrus Fruits)

66 mg

†

† Daily Value not established.

Other Ingredients: Hydroxypropyl Methylcellulose (Vegetable Capsule), Magnesium Stearate, Silicon Dioxide.

Genuine Quercetin Capsules. High absorption and potency.

Quercetin (originally isolated from Goldenrod) is widely used to support respiratory system health, provides antioxidant activity to help reduce free radicals, and may help alleviate irritation from cooking fumes, dust, and cigarette smoke.

Formulated to support lung tissue health. Produced via vitamin fermentation for high activity.

Uses a counter-current extraction process.

Usage & Safety

Who It’s For: Ideal for smokers, individuals exposed to second-hand smoke, dust, or environmental pollution, those with respiratory discomfort, people seeking lung and cardiovascular support, and individuals with weakened immunity.*

Who Should Avoid It: Not recommended for individuals taking medications or with existing health conditions without consulting a physician.*

Dosage: Take 2 capsules daily with a meal.*

Bottle Supply: 60 capsules (1-month supply).*

Best Before: 3 years from MFG date.*

Certified Quality: Manufactured in an FDA, UL and NSF-certified GMP facility, free from the eight major allergens for safety and purity.*

Scientific References

Weber P, Bendich A, Schalch W. Vitamin C and human health—a review of recent data relevant to human requirements. Int J Vitam Nutr Res. 1996;66(1):19-30.
Benzie IF. Vitamin C: prospective functional markers for defining optimal nutritional status. Proc Nutr Soc. 1999 May;58(2):469-76. doi: 10.1017/s0029665199000610.
Qi W, Qi W, Xiong D, Long M. Quercetin: Its Antioxidant Mechanism, Antibacterial Properties and Potential Application in Prevention and Control of Toxipathy. Molecules. 2022 Oct 3;27(19):6545. doi: 10.3390/molecules27196545.
Deepika, Maurya PK. Health Benefits of Quercetin in Age-Related Diseases. Molecules. 2022 Apr 13;27(8):2498. doi: 10.3390/molecules27082498.
Karn A, Zhao C, Yang F, Cui J, Gao Z, Wang M, Wang F, Xiao H, Zheng J. In-vivo biotransformation of citrus functional components and their effects on health. Crit Rev Food Sci Nutr. 2021;61(5):756-776. doi: 10.1080/10408398.2020.1746234.

Lung Health & Respiratory Support Lung Support Quercetin Complex

$59.99

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Premium Quality

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Advanced Support for Clear Breathing

High-potency quercetin, vitamin C, and citrus bioflavonoids deliver antioxidant protection and balanced environmental response to promote breathing comfort and daily wellbeing. Clean, vegan formula crafted for modern air exposure.

Antioxidant Shield for Everyday Air Exposure

Quercetin and vitamin C help neutralize free radicals generated by smoke, dust, and pollution. This supports healthy tissue balance and everyday breathing comfort.

Quercetin + C Synergy

Vitamin C helps regenerate quercetin’s antioxidant capacity, while citrus bioflavonoids enhance its stability and activity. Together they promote a calm, balanced response to environmental stressors.

Everyday Comfort & Balance

Targeted nutrients support the body’s natural processes for maintaining clear, comfortable breathing and balanced responses to airborne exposure—helping you feel fresher and more at ease day to day.

Potency, Purity, Confidence

Each serving provides 1,000 mg vitamin C, 500 mg quercetin, and 66 mg citrus bioflavonoids. Vegan and produced to GMP/NSF standards for reliable quality.

FAQ

What does the Quercetin Complex actually do?

It’s formulated to support natural comfort in breathing and help the body respond to environmental stressors through antioxidant and nutritional balance.

How is quercetin helpful for overall wellness?

Quercetin is a plant-based flavonoid known for its strong antioxidant properties. It helps the body manage oxidative stress and promotes balanced responses to daily environmental exposure.

Who would benefit most from this supplement?

Adults seeking added nutritional support for comfort and balance when facing environmental factors such as pollution or allergens may find it useful for maintaining overall vitality and wellness.

Can I take the Quercetin Complex with my daily vitamins?

Yes. It’s generally suitable to take alongside a multivitamin or other supplements. If you use prescription medications or have specific health conditions, consult your healthcare professional before use.

Breathing better than before

After battling seasonal allergies and mild asthma, I decided to try this. Within a few weeks I notice my breathing is a bit easier, especially when walking stairs. No side effects so far. It’s subtle, but meaningful for me.

Good support during pollen season

I live in a region with heavy pollen in spring, and last year my lungs were acting up. This season, I started Lung Support + Quercetin before pollen hit hard. My coughing and wheezing are reduced. Not perfect, but much better than before.

Not sure if it helps

I’ve used this for about 6 weeks. No harm, which is good, but I can’t confidently say it’s making a noticeable difference yet. Maybe with more time or in combination with other supports it will.

My daily breathing companion

Living in a city with pollution, I often feel tightness in my chest. Since starting this, I feel breathing is smoother, especially when jogging. I still take other precautions (mask, air filter), but this seems to help gently.

Helps during seasonal changes

During seasonal transition I often struggle with wheezing or tightness. Taking this has lessened those episodes. Not perfect relief, but quiet support.

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