The ripe fruits of chokeberry are berry-like, spherical fruits with a reddish to deep blue or dark purple colour. The chokeberry is a plant genus within the rose family. The chokeberry has many valuable secondary plant substances, such as flavonoids and phenolic acid. They help in the treatment of diseases such as circulatory diseases and intestinal disorders. It also has a positive effect on the immune system, blood formation and the regeneration of bone and muscle tissue. They can reduce the susceptibility to oxidation in the body cells and tissues, so that in addition to the body cells, the fats in the blood oxidize less.