Modern research has classified Tulsi as an adaptogenic herb. Adaptogens have been shown to support the body’s healthy reactions to stress. Adaptogenic herbs have been used in the Ayurvedic tradition for thousands of years to promote and maintain wellness. Many adaptogenic herbs have been referred to by herbalists as rejuvenative herbs, qi tonic herbs, rasayanas or restorative herbs. They help the body adapt to environmental, physical and emotional stressors, support normal functions and restore balance.