The Nutrition of Quercetin

Quercetin is an increasingly popular nutritional supplement that is widely touted for a variety of health benefits. It is claimed that quercetin has anti-inflammatory properties and that it functions as an antioxidant as well. Antioxidants are proven to help fight cancer and to prevent a variety of other diseases and conditions too.

Quercetin is a flavanol, which is a particular type of chemical that is produced by plants. As such, it is found inside of certain plant-based foods. Although the various nutritional and other health benefits of this item are not confirmed, it is strongly linked with decreased cancer rates and a variety of other benefits too.

Nutrition Benefits of Quercetin

Quercetin is touted for two primary nutrition benefits overall. The first is its anti inflammatory properties. This means that it can naturally help to ease inflammation that is a result of infection, irritation, injury and more. Eating foods that are rich in quercetin may help to reduce inflammation throughout the body, allowing you to avoid eating other substances and medicines to accomplish the same thing. However, those who do have inflammation problems typically find that, while quercetin may contribute to an overall reduction of inflammation, it’s typically not sufficient to eliminate all inflammation at a particular source in general. You’ll likely need to combine it with other anti inflammatory mechanisms, whether they are medicines or other nutritional ingredients as well.

Another benefit of quercetin is its properties as an antioxidant. Antioxidants are generally linked with a reduction in cancer rates. The American Cancer Society has stated that, although it’s not clinically proven that quercetin can help to reduce the rates of cancer, evidence shows that this is likely to be the case.

Foods that Contain Quercetin

There are a wide variety of foods which contain quercetin. These run the gamut through a number of different plant products and products that are derived from plants. One of the richest sources of quercetin is black and green tea. Capers, red onion, citrus fruit, red grapes, tomatoes, broccoli, and a wide variety of different types of berries are all rich in quercetin. Among the plant derived products that contain significant levels of quercetin, honey is included, which is produced from certain types of plant flowers as well.

Quercetin has recently also become available as a separate nutritional supplement. Because it is not entirely confirmed that quercetin has properties as a cancer reducer, many people question whether it is necessary to take a supplement of concentrated quercetin in the first place. However, this nutritional supplement poses no great risk, as quercetin cannot accumulate to dangerous levels in the body. There are virtually no contraindications or side effects of taking a quercetin nutritional supplement.

For more information about quercetin and other flavanols or flavanoids, including the various types of benefits that they can provide to you and how much of them you should look to include in your regular diet, consult with your doctor or a nutritionist.


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