The alliums share a few properties: They all have edible bulbs and greens. They are foundational to many dishes and cuisines, especially slowly simmered stews and braises. And they have hypothesized health benefits due to unique organosulfurs and flavonoids, especially quercetin. 

Studies have shown that quercetin can inhibit inflammation and reduce oxidative stress, which can contribute to chronic diseases such as heart disease, diabetes, and cancer.

Research has suggested that quercetin may have cardioprotective effects, such as reducing blood pressure, inhibiting platelet aggregation, and improving endothelial function. However, more research is needed to confirm these findings.

Some studies have found that quercetin supplementation may improve endurance exercise performance and reduce fatigue. However, results are mixed, and more research is needed to establish the effectiveness of quercetin for this purpose.

Studies have shown that quercetin can induce apoptosis (programmed cell death) in cancer cells and inhibit the growth and spread of tumors in animal studies. However, more research is needed to determine its effectiveness in humans.

Some studies have suggested that quercetin may have neuroprotective effects and improve cognitive function in animal models and human trials.

Quercetin could have the ability to counteract PCOS complications.

Onion consumption has been shown to have cardioprotective effects

Much of onion’s health benefits stem from two types of bioactive compounds, organosulfurs and quercetin glycosides.

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Onion

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eat a plum

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