Flavonoids are a group of secondary plant substances found in many fruits, vegetables, herbs and drinks. They are known for their health-promoting properties and play an important role in our diet. Flavonoids belong to the polyphenol family and come in different forms and colors. Some well-known flavonoids are quercetin, kaempferol, luteolin and apigenin. Each flavonoid has its own unique structure and offers specific health benefits. One of the main functions of flavonoids is their antioxidant effect. They are able to neutralize harmful free radicals in the body and thus protect against cell damage. This preventive effect can help to reduce the risk of chronic diseases such as cancer, cardiovascular diseases and neurodegenerative disorders. Flavonoids are also known for their anti-inflammatory effect. They can inhibit enzymes involved in inflammatory processes and thus help to reduce inflammation in the body. This is particularly important for people with chronic inflammatory diseases such as arthritis or chronic inflammatory bowel disease. Some flavonoids also have antiviral and antibacterial properties. They can strengthen the immune system and increase the body’s resistance to infections. This can help prevent colds and flu and aid recovery from illness. Flavonoids can also have a positive effect on the cardiovascular system. They can lower blood pressure, improve the elasticity of blood vessels and prevent the formation of blood clots. All of this helps to reduce the risk of heart disease and strokes. To benefit from the health benefits of flavonoids, it is important to consume a varied diet with a variety of fruits and vegetables. Berries, citrus fruits, apples, tomatoes, broccoli and green leafy vegetables are just a few of the many foods that are rich in flavonoids. Overall, flavonoids can play an important role in maintaining health and protecting against disease. With a balanced diet and conscious food choices, we can ensure that we get enough flavonoids in our daily diet.