There is interest in using quercetin for a number of other purposes, but there isn't enough reliable information to say whether it might be helpful. Pregnancy and breast-feeding: There isn't ...

Onion benefits ... increasing your quercetin intake. Along with other related vegetables in the Allium plant genus (like garlic, leeks, and shallots), onions contain: The extract of onion bulb ...

These effects may be due to several plant compounds, such as quercetin, kaempferol, glucomoringin, chlorogenic acid, and isothiocyanate. Despite these positive benefits, however, it’s important ...