A perennial climbing vine, Passionflower is native to Latin American. The Passionflower vine can grow 30 feet high and produces flowers and fruit at the same time. Used anciently by the Aztecs as a pain reliever, Passionflower is still used today as a natural remedy for calming the body, stomach, and mind.
Studies found that Passionflower contains harmala alkaloid, which increases gamma-aminobutyric acid (GABA) and prevents neurotransmitters in the nervous system from breaking down. These neurotransmitters are:
By allowing these neurotransmitters to increase within the nervous system, Passionflower can improve mood and calm anxiety. Passionflower leaves are used primarily in teas for humans and dogs.