Does lemon balm increase GABA?

[tanyajack]

Lemon balm is a common garden herb closely related to mint. ... Lemon balm and rosmarinic acid also boost levels of the relaxation-inducing neurotransmitter called GABA in the brain. They do so by inhibiting the enzyme that normally degrades GABA.

http://www.jrhealthblog.com/definitive-guide-to-lemon-balm-suppleme...