Quercetin is a natural flavonoid compound found in various fruits, vegetables, and grains. It is known for its antioxidant and anti-inflammatory properties and is often considered a phytonutrient with potential health benefits. Quercetin is a plant pigment responsible for the colors found in many fruits and vegetables.
Quercetin is available as a dietary supplement in various forms, including capsules, tablets, and powders.
Key points:
Sources: Quercetin is found in a variety of plant-based foods, including: onions, apples, berries (e.g., strawberries, blueberries), citrus fruits (e.g., oranges, lemons), red grapes, leafy green vegetables (e.g., kale, spinach), tomatoes, broccoli, red and black beans, and black tea.
Antioxidant Properties: Quercetin is known for its antioxidant activity. Antioxidants help protect cells from damage caused by free radicals, which are unstable molecules that can contribute to various chronic diseases and aging.
Anti-Inflammatory Effects: Quercetin has anti-inflammatory properties and may help reduce inflammation in the body. This can be beneficial for conditions where chronic inflammation plays a role, such as certain types of arthritis.
Cardiovascular health: It may help lower blood pressure and reduce the risk of heart disease.
Allergy relief: Quercetin may help reduce allergy symptoms by stabilizing mast cells and inhibiting the release of histamine.
Immune support: It can enhance immune function and may have antiviral properties.
Cognitive health: Some research indicates that quercetin may help protect against age-related cognitive decline.