Quercetin, a flavonoid (plant pigment), is naturally present in many foods including apples, tomatoes, cherries, berries, red wine, onions, green tea, kale, broccoli, Brussels sprouts and cauliflower, as well as Gingko biloba, American elder and St. John’s Wort. Considered one of the most abundant antioxidants in the human diet, quercetin plays an important part in fighting free radical damage, as well as the effects of aging and inflammation. Quercetin is used in natural medicine to promote circulatory health, provide immune support, and increase endurance and improve athletic performance.
Taking quercetin can help fight oxidative stress, upper respiratory help, antiinflammatory effects, and even alzheimers disease as shown in controlled trials. Beneficial effects (effects and side effects) include some protective effects, helping the pumps in cells, decreasing mast cell tumors, urinary tract infection, lung cancer, ovarian cancer, immune response and assistance after covid19 vaccines.
Research suggest that taking twice daily can promote healthy ageing by increasing flavonoid intake reduces blood pressure. Quercetin also exhibits antioxidant properties making it advantageous to help nitric oxide get to through the bloodstream. Food sources include st johns wort, ginkgo biloba and cauliflower amongst others.
The effect of quercetin is changed by the liver
Medical reviewers find that plasma quercetin has great benefits side effects. This is where the food chem has looked at animal studies and human studies on quercetin inflammation and immunity as well as the effects of quercetin supplementation during randomized controlled test tube studies.
Benefits of quercetin
Can be found in fruits and vegetables and the quercetin benefits include mainly help with inflammation and immune response. There is more great info on liver cytochrome p450 as well as info by Hollman PC and Nieman DC who suggested that quercetin could really assist with cancer cells mitigation. Human studies are underway walking through quercetin supplementation and it's protective effects on the upper respiratory system.