AMORYN works by increasing the levels of all four of the brain's "feel good" neurotransmitters. By providing an all-natural boost to serotonin, dopamine, norepinephrine, and GABA, the ingredients in AMORYN can help you feel happy, calm, and confident.serotonin levels. As a precursor to serotonin, 5-HTP provides the brain with the "building blocks" needed to produce more serotonin naturally.