Plasmid

Plasmids are special serums made from processed ADAM that introduce special stem cells into the body, allowing for genetic modification and real time mutation, giving the user what some might call "super powers". Plasmids are powerful, but excessive use of them leads to physical and mental addiction, as well as insanity. This helped to bring about the downfall of Rapture. Some plasmids are found in bottles lying around Rapture, and they are visually distinguishable from Gene Tonics due to their bright, saturated red glow. These Plasmids are powered by EVE.

Trivia

 * The use of the name "plasmids" was inspired by the real-life term in genetics for circular extra-chromosomal DNA strands that can be found in bacteria and some eukaryotic cells. These molecules are commonly used as vectors in genetic engineering.
 * One uses a Plasmid to cure the Little Sisters. This is the only plasmid not named nor is it contained in any specific Tonic/Plasmid slot.
 * In the early development video, Hunting the Big Daddy, the player could wield plasmids in both hands at once.