Description General description Vilazodone, marketed as the antidepressant drug Viibryd®, is a serotonin reuptake inhibitor for treatment of major depressive disorder. Suitable uses for this Certified Spiking Solution® include as starting material for calibrators and controls in antidepressant testing methods by LC/MS or GC/MS for clinical toxicology, urine drug testing, or forensic analysis applications. Legal Information CERILLIANT is a registered trademark of Cerilliant Corporation CERTIFIED SPIKING SOLUTION is a registered trademark of Cerilliant Corporation VIIBRYD is a registered trademark of Forest Laboratories, Inc.