Nevertheless, it might modify serotonin signals. Serotonin, a neurotransmitter, plays a crucial role in your psychological health. Low serotonin levels are commonly associated with people who have anxiety. Sometimes, not having enough serotonin may likewise cause anxiety. The conventional treatment for low serotonin is a selective serotonin reuptake inhibitor (SSRI), such as sertraline (Zoloft) or fluoxetine (Prozac).