Sleep deprivation is chargeable for developing interest of serotonin in SCN. Low stages of serotonin are related to excessive stages of ache CitroBurn sensitivity, locomotion, sexual interest, aggression, melancholy, Obsessive Compulsive Disorder (OCD) and panic problems. Four. Glycine Glycine is the most effective amino acid composed of an amino and a carboxyl company. The function of glycine as a neurotransmitter is quite simple.