Quercetin (Immune)
Flavonoid
Also known as: Quercetin dihydrate, Isoquercetin, Quercetin phytosome
B
Grade B💊 500-1000mg 2-3x daily🎯 4 primary uses🔗 4 synergies⚠️ Review warnings
Overview
Flavonoid with broad antiviral activity, zinc ionophore function, and anti-inflammatory properties.
Primary Uses
AntiviralAnti-inflammatoryZinc ionophoreAllergy relief
Dosage
Typical range
500-1000mg 2-3x daily
Timing
With meals and zinc
With food
Yes, enhances absorption
Duration
During illness or ongoing for allergies
Special Populations
Those seeking antiviral or allergy support
Mechanism of Action
- • Helps zinc enter cells (ionophore)
- • Inhibits viral replication enzymes
- • Anti-inflammatory effects
- • Mast cell stabilization
Evidence Quality
Evidence Grade B
Promising research for viral infections
Safety & Contraindications
Serious Warnings
- • May affect thyroid function at very high doses
Contraindications
- • Kidney disease (high doses)
Common Side Effects
- • GI upset
- • Headache
Pregnancy & Breastfeeding
Insufficient data for therapeutic doses
Liver & Kidney Notes
Caution at high doses with kidney issues
Interactions
💊 Medications
- • Blood thinners (may enhance)
- • Cyclosporine
- • Fluoroquinolone antibiotics
🧪 Supplements
- • Synergistic with zinc (ionophore)
- • Vitamin C enhances stability
🍽️ Food & Alcohol
- • Take with food
Stacking & Synergies
Pairs Well With
ZincVitamin CVitamin DNAC
Avoid Combining With
None significant
Best Goal Synergies
AntiviralAllergiesInflammation
Buying Guide
What to Look For
- • Enhanced absorption form
- • Third-party tested
Standardization Markers
Quercetin contentAbsorption enhancement (phytosome)
Adulteration risk
Low
Practical Notes
- • Take with zinc for antiviral effect
- • Phytosome form better absorbed
- • Also great for allergies
Tags
flavonoidantiviralanti-inflammatoryzinc-ionophore
Frequently Asked About Quercetin (Immune)
How much Quercetin (Immune) should I take?
The typical effective range is 500-1000mg 2-3x daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Quercetin (Immune)?
With meals and zinc. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Quercetin (Immune) with food?
Yes, enhances absorption.
Does Quercetin (Immune) interact with medications?
Yes — known interactions include Blood thinners (may enhance), Cyclosporine, and Fluoroquinolone antibiotics. If you take any prescription medication, talk to your doctor or pharmacist before starting Quercetin (Immune).
What does Quercetin (Immune) pair well with?
Quercetin (Immune) stacks well with Zinc, Vitamin C, and Vitamin D — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Quercetin (Immune)?
Quercetin (Immune) should be avoided or used with caution by people with Kidney disease (high doses). Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Quercetin (Immune)?
Most people tolerate Quercetin (Immune) well. The most commonly reported side effects are GI upset and Headache. Side effects are usually dose-dependent — lowering the dose often resolves them.
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.