By Deane Alban Serotonin supplements like specific amino acids, vitamins, minerals and herbs increase serotonin levels helping depression and other brain-related disorders. Serotonin is a neurotransmitter that plays a large role in mood, learning, appetite control, and sleep. It’s believed that low serotonin is the underlying cause of depression. Selective serotonin reuptake inhibitors (SSRIs) such […]