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:
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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.
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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.
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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.
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Cardiovascular health: It may help lower blood pressure and reduce the risk of heart disease.
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Allergy relief: Quercetin may help reduce allergy symptoms by stabilizing mast cells and inhibiting the release of histamine.
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Immune support: It can enhance immune function and may have antiviral properties.
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Cognitive health: Some research indicates that quercetin may help protect against age-related cognitive decline.