Mentats

Mentats is a chem in Fallout, Fallout 2, Fallout 3 and Fallout Tactics: Brotherhood of Steel.

''A pillbox of mind-altering chems. Increases memory related functions, and speeds other mental processes. Highly addictive.''

Mentats is a reference to Frank Herbert's Dune. They are a profession of highly analytical thinkers with the ability to process information like a computer. The pills are also red, the color of Mentat lips.

Fallout 3
In the The National Archives, specially-flavoered Mentants were given to anyone who won a trivia contest regarding the Declaration of Independence. this contest still exists in electronic form for the player to try.

Mentaty