Flavonoid your way to decrease blood pressure/sugar and extend lifespan: Quercetin-based Lifespan and healthspan extension therapy: Quercetin,  a flavonoid isolated from elder berries and onions, decreases blood sugar and blood pressure levels and prolongs mammalian life span, via down regulation of angiotensin II type I receptor (AT1R), 18/July/2018, 7.47 am