What Is the Source of the Drug Hyoscyamine?
Hyoscyamine, an alkaloid drug compound used mainly to treat stomach and intestinal problems (and sold under various brand names) comes from the roots, leaves and seeds of various flowering psychoactive plants. Specifically, it is extracted from numerous species within the Solanaceae family, chief among them the highly poisonous henbane, mandrake, deadly nightshade and jimson weed plants.