Kava Kava (Gaia Herbs)
Kava Kava is a slow growing, perennial shrub. A member of the pepper family (Piperaceae), it is native to the tropical Pacific Islands region. Islanders who use it as a ritual beverage during ceremonies have long revered it. It is traditionally used as a social beverage for chiefs and noblemen for its calming, relaxing effect. The root is also used traditionally for stressrelated conditions. Kava is cultivated commercially, where it is totally dependent on human intervention for propagation.
Mechanism Of Action
The exact mechanism of Kava on the central nervous system is unknown. One possible mode of action is that Kava may interact with Gama-Aminobutyric acid (GABA) receptors. Early in vivo and in vitro research suggests that Kavalactones demonstrated only weak GABA receptor binding actions. However, a more recent study suggests that Kava pyrones mediate effects in GABA-A receptors, particularly in the hippocampus and amygdala. Other possible mechanisms include inhibition of noradrenaline uptake and activation of mesolimbic dopaminergic neurons. It is likely that there is more than one pathway responsible for Kava's activity on the central nervous system.
Note: The intention of this information is to represent the traditional use of the individual botanicals found in these formulas and to inform the reader of any evolving scientific inquiry relevant to the formula's ingredients.
References
Piscopo G. Kava Kava. Gift to the islands. Alt Med Rev. 1997; 2(5): 355-364.
Voltz HP and Kieser M. Kava Kava extract WS 1490 versus placebo in anxiety disorders- a randomized placebo-controlled 25 week outpatient trial. PHAM-Acopsychiat. 1997; 30:1-5.
Warnecke G. [Psychosomatic dysfunctions in the female climacteric. Clinical effectiveness and tolerance of Kava extract WS 1490]. Fortschr Med. 1991; 109 (4): 119-122. [in German]
Woelk H, et al. The treatment of patients with anxiety. A double blind study: Kava extract WS 1490 vs benzodiazepine. Zitschrift for...
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