How does Relizen work? Bonafide Health November 15, 2019 15:17 Updated Follow Results from an in vitro study indicate that Relizen works through a serotonergic mechanism of action. Related articles Does Relizen work for night sweats? What are the major side effects of Relizen? Is Relizen a bee pollen product? Does Relizen improve quality of life? How does Revaree work? Comments 0 comments Article is closed for comments.