Special K is known as a brand name of a popular breakfast cereal. However, it is also used as a slang term for the drug ketamine. To avoid confusion, it is important to know some synonyms for this term. Some alternative names for special K include K, ket, KitKat, lady K, super K, and vitamin K. Although these may seem playful or harmless, it is crucial to recognize the serious health risks associated with ketamine abuse. It is always important to use caution and consult a healthcare professional before using any substance.