What is rakghoul serum?

The Rakghoul Serum is a fictional drug that is seen in the Star Wars universe. It's a medical serum that is produced from the DNA of a Rakghoul, which is a mutated creature in the Star Wars galaxy. The serum has the ability to turn anyone into a Rakghoul by altering their DNA. The transformation is quick and painful, causing the victim to become aggressive and feral. The Rakghoul Serum has been used as a weapon by various entities in the Star Wars universe. It's highly illegal and is considered a dangerous substance. The serum has been used in various Star Wars video games, books, and comics.