Thanks to the antioxidants present in these seeds, the risk of cancer associated with the damage caused by free radicals to cells and DNA is reduced. Antioxidants have anti-inflammatory properties that make them useful in treating disorders such as arthritis and Crohn's disease. The high presence of fiber is very useful for improving digestion. They reduce the chances of cholesterol accumulation thus preventing cardiovascular diseases. Often used for the preparation of herbal teas favoring diuresis as well as attenuating abdominal swelling. A rich source of calcium. They have a high content of copper, fundamental for the formation of blood cells, with particular reference to red blood cells. Fennel seeds have a high content of copper, a fundamental mineral for the formation of blood cells, with particular reference to red blood cells.