Rudimentary body potion

The Rudimentary Body Potion is a potion invented by Lord Voldemort and prepared by Wormtail which was used either as the basis of Voldemort's rudimentary body that he and Wormtail had built for Voldemort's use. It's main ingredient's were Unicorn blood and snake venom provided by Voldemort's familiar Nagini. This was used until one of Voldemort's loyal servants sent him Harry Potter, who's blood was used for the potion to restore Voldemort to his true body.