Serotonin acts as a pain killer, and helps with blood clotting. Tests on animals show that serotonin can make the animal more dominant and aggressive. When used in combat, this booster will provide a massive bonus to defense, and may even replenish some life.
User becomes Hardened, increasing Defense by 300% for 120 seconds and replenishing life by 25%.
Bachelor of Biology education course.
Serotonin is a Temporary Temporary weapon that can be found in Torn.