Description
"Quercetin" is a flavonoid naturally occurring in apples, onions, berries, and leafy greens. It promotes oxidative balance, histamine regulation, and enzymatic processes related to lipid metabolism and immune coordination. This compound modulates mitochondrial function, supporting energy efficiency and inflammatory response. Its vascular benefits extend to circulatory health and endothelial resilience. Frequently consumed in plant-rich diets, quercetin is a widely recognized flavonoid supporting immune function, cardiovascular protection, and metabolic stability.
Functions in the Body
Category
Deficiency Symptoms
Since quercetin is not an essential nutrient, there are no deficiency symptoms associated with its absence.
Quercetin
Warnings
Use quercetin with caution if you are pregnant, breastfeeding, or have kidney disease. Quercetin interacts with medications such as antibiotics, cyclosporine, warfarin, high blood pressure medications, midazolam, diabetes medications, pravastatin, diclofenac, losartan, and quetiapine.
Food Sources
Quercetin is naturally found in foods like apples, honey, raspberries, onions, red grapes, cherries, oranges, limes, lemons, spinach, and kale.
Time Frame
It is best to take quercetin with meals that contain fat to enhance absorption.
Depleted By
Quercetin may be depleted by medications such as hormone replacements and blood pressure medications.