Quercetin is a plant pigment or flavonoid that belongs to the class of polyphenols. It is widely distributed in the plant kingdom and can be found in many fruits, vegetables, leaves, and grains. Some of the foods that contain high levels of quercetin include apples, onions, berries, tea, and red wine.
Quercetin Healthy Benefits
- Anti-inflammatory properties: Has been shown to have anti-inflammatory effects, which may help reduce the risk of chronic diseases such as heart disease, diabetes, and cancer.
- Antioxidant properties: It is a powerful antioxidant, which means it can help protect cells from damage caused by free radicals. Free radicals can contribute to aging and the development of chronic diseases.
- Immune system support: Has been shown to help support the immune system, which may help reduce the risk of infections and illnesses.
- Cardiovascular health: May help improve cardiovascular health by reducing inflammation, improving blood flow, and reducing the risk of blood clots.
- Brain health: Has been shown to have neuroprotective properties, which means it may help protect the brain from damage caused by oxidative stress and inflammation. This may help reduce the risk of neurodegenerative diseases such as Alzheimer’s and Parkinson’s disease.
- Allergy relief: Quercetin has been shown to have antihistamine properties, which means it may help relieve allergy symptoms such as sneezing, itching, and runny nose.
- Skin health: Quercetin has been shown to help protect the skin from damage caused by UV radiation and other environmental factors. It may also help reduce inflammation and improve skin elasticity.
- Allergy relief: Quercetin is believed to help reduce inflammation and inhibit the release of histamine, a compound that is released during an allergic reaction. It has been studied for its potential to help relieve allergy symptoms, such as runny nose, itchy eyes, and hives.
- Anti-inflammatory: Has been shown to have anti-inflammatory effects, which may help reduce inflammation in the body. Chronic inflammation is believed to be a contributing factor to various diseases, such as heart disease, diabetes, and cancer.
- Heart health: May help protect against heart disease by reducing inflammation and improving blood vessel function. It has also been studied for its potential to lower blood pressure and cholesterol levels.
- Cancer prevention: Some studies have suggested that quercetin may have anti-cancer properties. It has been shown to inhibit the growth of cancer cells in test-tube and animal studies, although more research is needed to determine its effectiveness in humans.
- Athletic performance: Quercetin has been studied for its potential to improve athletic performance by increasing endurance and reducing fatigue. It may also help reduce muscle damage and inflammation after exercise.
- Skin health: May have benefits for skin health, including protecting against sun damage and reducing the appearance of wrinkles. It has also been shown to have anti-inflammatory effects on the skin.
Here are some precautions to keep in mind when taking quercetin supplements:
- Consult with your healthcare provider: If you are pregnant, nursing, have a medical condition, or take medication, consult with your healthcare provider before taking quercetin supplements.
- Allergies: Quercetin supplements may cause allergic reactions in some people, particularly those who are allergic to apples, onions, or other foods that are rich in quercetin. If you experience symptoms such as hives, difficulty breathing, or swelling of the face, lips, tongue, or throat, stop taking quercetin supplements and seek medical attention immediately.
- Blood-thinning medications: Quercetin may increase the risk of bleeding when taken with blood-thinning medications, such as warfarin or aspirin. If you take these medications, talk to your healthcare provider before taking quercetin supplements.
- Drug interactions: May interact with certain medications, including antibiotics, corticosteroids, and drugs used to treat cancer or HIV/AIDS. If you take any of these medications, talk to your healthcare provider before taking quercetin supplements.
- High doses: Taking high doses of quercetin supplements may cause side effects such as headache, upset stomach, and kidney damage. Stick to the recommended dosage on the supplement label, and do not exceed it unless directed by your healthcare provider.
- Quality and purity: When buying quercetin supplements, choose products from reputable brands that undergo third-party testing for quality and purity.