May offer mild antioxidant and anti-inflammatory support, but effects are subtle.
It might help a little. It can stabilize mast cells, which release histamine. But the effects are usually mild.
Quercetin phytosome (e.g., Quercefit®) or liposomal quercetin. They're designed to be absorbed much better than the standard powder.
Yes. Taking it with a meal, especially one with some fat, may slightly improve absorption.
Click through to the studies bar for the evidence base.
See the dosing guide below.
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Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
You get some from apples and onions (maybe 20-30mg a day). Not enough to match the 500mg+ doses used in studies.
A common combo. Bromelain (from pineapple) is an enzyme with its own anti-inflammatory properties that might also help with absorption.
The hype outpaced the science. There's no strong evidence it prevents or treats it.
Most research uses 0.5g daily. Below 0.3g, you're probably wasting money. Above 1.0g, no extra benefit. The curve plateaus. Safe upper limit ~ 2.0g.
Acts as an antioxidant by scavenging free radicals. Inhibits inflammatory pathways. May stabilize mast cells and reduce histamine release.
While quercetin has demonstrated antioxidant and anti-inflammatory properties in vitro and in some clinical studies, its poor bioavailability limits its effectiveness at typical supplement doses. More research is needed to confirm its benefits in humans.
A flavonoid pigment found in many plants. Abundant in onions, capers, apples, berries, and leafy greens.
Quercetin interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.