Quercetin, also known as quercetin, is a biological flavonoid and a natural pigment found in all herbs, fruits and vegetables. Flavonoids have anti-inflammatory and antioxidant effects in the body, and quercetin is one of the most powerful and effective herbal anti-inflammatory and antioxidant health products. In fact, quercetin has been proved to have a preventive effect on a variety of inflammatory and free radical damage diseases, including arthritis, allergy, macular degeneration, heart disease, gout and various cancers.
Quercetin can effectively cut off the food supply of cancer cells and play a role in preventing cancer by preventing their oxygen and nutrient circulation. Quercetin is also a kind of phytoestrogen, which can imitate the influence of human estrogen; Quercetin binds to the estrogen receptor where estrogen is located, so it can make the estrogen required for stimulating the growth of breast cancer lose its effect.
Research results have confirmed that quercetin derived from citrus fruits can reduce the growth rate of breast cancer cells by about 50%. In addition, animal based experiments have also confirmed that quercetin can inhibit the growth of colon, prostate, breast cancer and lung cancer cells.
Quercetin can also treat allergic reactions by preventing histamine secretion in the body. Histamine causes inflammation and swelling, as well as runny nose, itchy eyes, sneezing and other irritating symptoms associated with allergies. In laboratory studies, quercetin can also inhibit inflammation in patients with arthritis, and inflammation symptoms of prostatitis. The study found that changing to a diet rich in flavonoids can significantly improve the symptoms of patients with rheumatoid arthritis. For example, taking 500 mg quercetin every day can improve pelvic pain in patients with prostatitis. In addition, preliminary clinical studies have confirmed that quercetin has the effect of inhibiting the growth of prostate cancer cells.
Quercetin is also effective in treating skin related inflammatory diseases. It increases the production of collagen and fibronectin, two substances needed to keep joints and skin healthy. Therefore, quercetin is good for patients with arthritis and those who want to reduce or prevent wrinkles. Quercetin is also an active ingredient in many cosmetics and beauty products, which can delay or reduce the signs of aging. In addition, quercetin has the effect of promoting wound healing, especially for repairing nerve tissue damage in skin trauma.
Quercetin reduces the risk of heart disease by preventing the accumulation of arterial macrophages. Macrophages contain a large number of proteins that can easily harden into plaques and lead to arterial thrombosis or atherosclerosis. In addition, quercetin can also promote blood circulation by strengthening the capillaries of the whole body, helping to prevent eye diseases caused by poor blood circulation, such as cataract, macular degeneration and diabetes retinopathy.
Quercetin can be found in almost all plant foods. For example, black tea, broccoli, onions, red apples and red wine are the best sources of this nutrient. Quercetin health care products are in the form of concentrated powder, tablet or capsule. It is often packaged with bromelain, another substance that is helpful in the treatment of allergies and inflammation, and can promote the absorption of quercetin by the human body. The typical intake dose of quercetin is 100-250 mg, three times a day.
