What it is
Quercetin phytosome (Indena Quercefit) bonds quercetin to lecithin phospholipids, raising bioavailability ~20×.
Supplement · Longevity & Senolytic
Quercetin Phytosome (Quercefit)
Quercetin lecithin phytosome
250–500 mg phytosome · vegan · gluten-free · 60 caps
allergieshistamine-intolerancepremature-aging immune systemblood vessel
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How it works
Stabilizes mast cells (antihistamine), modulates NF-κB inflammation, and acts as a putative senolytic in 2-day pulse protocols.
Who should take it
Adults with seasonal allergies, histamine intolerance, midlife inflammation, or exploring senolytic pulses.
Avoid / careful
While generally safe, high doses of quercetin phytosome may warrant caution in individuals taking medications that are substrates of the CYP3A4 enzyme, due to potential interactions. Consult a healthcare professional if you have concerns.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
What is the difference between quercetin and quercetin phytosome?
Quercetin phytosome (Quercefit) is a formulation that binds quercetin to phospholipids, dramatically increasing its absorption and bioavailability compared to standard quercetin powder.
Can Quercefit help with seasonal allergies?
Yes, Quercefit's ability to stabilize mast cells and reduce histamine release makes it effective for managing symptoms of seasonal allergies.
What is a senolytic and how does quercetin phytosome relate?
Senolytics are compounds that selectively clear senescent (aged, non-functioning) cells. Quercetin, particularly in phytosome form, is being studied for its potential senolytic effects, especially in pulsed dosing regimens.
Research summary
A plain-English read of the literature behind this supplement. Not a clinical recommendation.
Italian Quercefit trials show plasma quercetin elevation and immune markers improvements.
From the blog
Editorial notes
SacredBod's longer take on Quercetin Phytosome (Quercefit) — context the structured blocks above don't capture.
Quercetin Phytosome (Quercefit) is a longevity & senolytic supplement. Quercetin phytosome (Indena Quercefit) bonds quercetin to lecithin phospholipids, raising bioavailability ~20×.
How it works
Stabilizes mast cells (antihistamine), modulates NF-κB inflammation, and acts as a putative senolytic in 2-day pulse protocols.
Who it’s for
Adults with seasonal allergies, histamine intolerance, midlife inflammation, or exploring senolytic pulses.
Dosage & timing
- Typical dose: 250–500 mg phytosome
- Best time: morning
- With food: with-food
- Expected onset: 4–8 weeks for inflammatory markers.
India context
Availability on Amazon India is currently limited or import-only for this form. International brands (iHerb, NOW Foods, Doctor’s Best) ship to India with variable customs handling. Local Ayurvedic equivalents may offer overlapping benefits.
Safety
CYP3A4 substrate concerns at very high doses.
Added to your stack.