Antidepressant APIs are a class of compounds widely used to treat depression and other mood disorders. These drugs work by balancing levels of certain chemicals in the brain called neurotransmitters, such as serotonin, norepinephrine, and dopamine. Protheragen provides a full range of antidepressant APIs to support global customer research, including but not limited to selective serotonin reuptake inhibitors (SSRIs), tricyclic antidepressants (TCAs), serotonin-norepinephrine reuptake Inhibitors (SNRIs), atypical antidepressants and monoamine oxidase inhibitors (MAOIs), etc.