A monoamine neurotransmitter found in the limbic system of the brain associated with disorders such as schizophrenia and parkinson's disease.

A member of the catecholamine’s this neurotransmitter is predominantly present within the brain and sympathetic neurons.

  This neurotransmitter is present within the brain and regulates sleep, appetite, mood and pain. Serotonin is essential for relaxation sleep, and concentration.

   A mental condition influencing an individual’s physiological and psychological well-being, depression is characterized by symptoms such as a consistent low mood and an inability to gain pleasure from usually pleasurable experiences.