Officially known as Melissa officinalis, Lemon Balm has been used traditionally for reducing stress and anxiety and improving cognitive skills. Lemon Balm (aka bee balm or garden balm) has been used in Eastern Europe for centuries and particularly in Croatia. It has been cultivated in the Mediterranean are for 2000 years. There is documented history of Lemon Balm use as far back as 50 to 80 B.C.