Daneprolene

"This drug is called Red Rager for a reason. It doesn't leave you unscathed, it leaves you irritable, angry, and craving more. If I find any of you with it I'll leave you like Incendi- We can't afford to loose anyone else."

- Eleanor Blake's opinion on the drug.

Daneprolyn (ダネプロリン, Danepurorin), most commonly known by manufacturers and users as Red Rager (レッド レージャー, Reddo Reejaa), is a highly addictive that comes in the form of gel-pills filled with a red liquid substances that when swalllowed, increases the physical abilities of the user up to two times greater than what they were before.

Unbeknownst to most, the liquid within the pills is not a complex chemical compound but the blood of the vampire, Danny Zenik, harvested by the members of the gang who then sell it on the streets.

Trivia

 * This drug plays a major part in the first two arcs of the author's storyline,.
 * Danny is the only vampire who has been used to source this substance.