The fabrication of pills is a complex intricate and difficult routine. Centuries ago, such activity was done by apothecaries, an old and often holy profession which dates reverse to the days of Babylon. Apothecaries could mix various elements and market them as vaccines for diseases and ailments. Sometimes these were impressive and based upon well medical investigation and look, although inevitably some were less more than vespers and there were also many snake-oil traders who sold poor or even dangerous goods.