Gotu Kola (Centella asiatica)
Gotu kola is believed to boost alertness and concentration. It is one of the major herbs used for revitalizing the nerves and brain cells. Gotu Kola is a popular ayurvedic herb used as a nerve tonic to promote relaxation and to enhance and improve memory, and to treat mental and physical fatigue. It has demonstrated mild tranquilizing, anti-stress and anti-anxiety effects.