Booster Blue was a type of spice variant. It was made of out of industrial dye used for starship manufacturing. When consumed it enhanced the user's physical reaction time. It was not uncommon for a user who, combining this with Thruster Head, Neutron Pixie, or other awareness increasing drugs to have been capable of dodging blaster shots. The substance was created from a mixture of , a type of copper variant, and 4-Dimethylaminobenzene, a type of chemical. It was usually stored in metal casings, and was commonly crafted and sold by smugglers. As with other spices, it was known to cause unwanted side-effects which appeared when the substance left the user's body and could cause severe results in the case of an overdose.