Quercetin is a common flavonoid compound, mostly found in plants. It can help protect cardiovascular and bone health to a certain extent, and can also eliminate phlegm and relieve cough. According to a study by the American Cancer Society, quercetin has anti-cancer and anti-inflammatory properties. This means that this compound is beneficial in the fight against many diseases such as cancer and allergies, but it still needs to be verified by further research for these health effects.
Foods rich in quercetin mainly include some fruits, vegetables, and nuts. In daily life, we can eat more foods with high quercetin content, which can supplement nutrition for the body.

The foods rich in quercetin
1. Fruits
Quercetin is a common flavonoid, which is the main component that constitutes the taste and color of fruits. It exists in many kinds of fruits, especially in the peel of fruits, such as apples, etc. In addition, citrus, blueberries, grapes, blackberries, and other fruits also with high content of quercetin.
2. Vegetables
For vegetables with high quercetin content, more commonly known as onions, fennel, cauliflower, and cilantro, etc. Quercetin is also the main component that constitutes the taste and color of vegetables;
3. Nuts
Some nut foods are also rich in quercetin, which is mostly found in vegetable oils and seeds, such as almonds and walnuts.
4. Others
Some herbs such as ginkgo, ginseng, etc. are also with relatively high quercetin content. These are food and medicine dual-use ingredients and are often used to treat cough and expectoration.
Where to buy quercetin ingredients?
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