Morell joined the Nazi Party when Hitler became the Chancellor (leader) of Germany in 1933. In 1935, Morell treated Hitler's personal photographer, Heinrich Hoffmann. Hoffmann told Hitler that Morell had saved his life. In 1936, Hitler met Morell for the first time. Hitler was having very bad stomach pain, and also had a rash on his leg. Morell was able to cure both problems with medicines. After this, Hitler asked Morell to be his personal doctor. Soon, Hitler decided Morell was a medical genius. Morell became one of Hitler's closest friends. Morell began to treat Hitler with a drug he called "Vitamultin" when Hitler felt tired in the morning. Right after he got a shot of Vitamultin, Hitler would feel awake and have a lot of energy. Ernst-Günther Schenck, a doctor in the SS, had some Vitamultin tested. It had methamphetamine in it.