Chokeberry The black chokeberry is a magician with a natural talent, hiding under the leaves of the bush and awaiting her grand entrance. For some, this never comes, since the astringent taste and harsh appearance of the fresh berries scares away the sweet-toothed. Only those in the know appreciate the chokeberry’s contribution to our health. 150 ml of chokeberry juice a day improves well-being, scares away headaches and helps you work harder.