Dictator dinners: Hitler, Kim Jong-il's foodie foibles revealed
...Another, more banal, motivation for the Fuhrer's vegetarianism was reportedly his belief that a meat-free diet would curb his chronic flatulence and constipation, conditions for which he took as many as 28 different drugs on the orders of his quack physician.
Along with large doses of amphetamines he needed to keep him from collapse -- explained away as vitamins to anyone who dared ask -- Dr Theodor Morrell injected the Nazi leader with substances such as essence of Bulgarian peasants' faeces, arsenic-based rat poison in the form of Dr Koester's Anti-Gas Pills and deadly nightshade.
By the final months of the war Hitler's chronically dysfunctional digestion had reduced him to a nursery diet of mashed potato and clear broth...
http://www.telegraph.co.uk/foodanddrink/11282463/Dictators-dinners-Hitler-Kim-Jong-Ilss-foodie-foibles-revealed.html