Quercetin
A natural flavonoid with potent antioxidant and anti-inflammatory properties for respiratory wellness.
Also known as: Quercetin for Lungs • Quercetin Dihydrate
Overview
Quercetin is a plant pigment (flavonoid) found in many plants and foods. It is known for its strong antioxidant and anti-inflammatory effects, as well as its ability to stabilize mast cells, which release histamine. These properties make it beneficial for managing allergy symptoms and supporting overall respiratory health.
Key Benefits
Mast Cell Stabilization
Inhibits the release of histamine and other inflammatory mediators from mast cells, helping to control allergic reactions.
Anti-inflammatory Effects
Reduces inflammation in the airways, which can be beneficial for asthma and other inflammatory lung conditions.
Antiviral Properties
Has been shown in studies to inhibit the replication of certain respiratory viruses.
Dosage & How to Take
500 mg, 1-2 times per day.
| Purpose | Dose | Notes |
|---|---|---|
| Allergy Relief | 500-1000 mg/day | Start before allergy season begins. |
| General Antioxidant Support | 500 mg/day |
Best Time to Take
For best absorption, take on an empty stomach, typically 20-30 minutes before a meal.
With or Without Food
Can be taken with food if stomach upset occurs, but may reduce absorption.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Quercetin Dihydrate | Low | Standard supplementation. | Most common and studied form. |
| Quercetin Phytosome | High | Enhanced absorption. | Bound to a phospholipid. |
| With Bromelain | Enhanced | Synergistic anti-inflammatory effects. | Bromelain aids quercetin absorption. |
Side Effects & Safety
Common
- Headache
- Tingling of extremities (at high doses)
Rare
- Kidney damage (with very high intravenous doses)
Contraindications
- Pregnant or breastfeeding women should consult a doctor.
- May interact with certain medications.
Interactions
May interfere with the action of quercetin.
May increase the risk of bleeding.
Quercetin can affect how the body metabolizes this drug.
Scientific Research
Quercetin and Its Anti-Allergic Immune Response
Quercetin was found to inhibit histamine release and pro-inflammatory cytokines, demonstrating its potential for treating allergic diseases.
Food Sources
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.