Quercetin is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, and grains; red onions and kale are common foods containing appreciable content of quercetin. Quercetin has a bitter flavour and is used as an ingredient in dietary supplements, beverages, and meals.
Possible benefit from consuming Quercetin include.
Fighting free radicals - quercetin has antioxidant properties that reduce free radicals that are associated with ageing, disease and cancer. Pollution, radiation, smoking and chemicals in foods increase free radicals. Quercetin is a more powerful antioxidant than vitamin C, vitamin E, or beta carotene.
Reducing inflammation - Inflammation is the body's natural response to stress and injuries and usually helps the body heal. However, chronic inflammation can be harmful to the human body and may contribute to specific health conditions. Quercetin might help reduce inflammation. Animal studies suggest that quercetin prevented both acute and chronic inflammation, in addition to showing anti-arthritis properties. Results from human studies have provided mixed results, however. While research on healthy male athletes found that quercetin could reduce inflammation, it did not have the same effect in women with rheumatoid arthritis.
Preventing infections - fed up of getting cold sores, URTI, UTI and skin infections. Quercetin has antibacterial properties and could be an excellent addition to your diet.
Daily doses range from 300mg to 3g. It is also found in medicinal botanicals such a ginkgo Biloba, hypericum perforated (St Johns Wort), Sambucus Canadensis etc.
Please consult with a professional before starting and supplementation of Quercetin.