Avocado leaves just so happen to be high in quercetin. These incredible leaves are full of minerals like immune-boosting zinc, bone-strengthening calcium, and magnesium and potassium. This helps promote a healthy heart by enhancing blood circulation, lowering blood pressure, and reducing hypertension.
https://theavotree.co.nz/tea_blog/quercetin-and-avocado-leaf-tea/