Tulsi has antioxidant properties, and helps boost the body's ability to fight off damaging free radicals, which have been linked to disease and aging. It is an adaptogen that helps the body fight the effects of ongoing stress and also balances the mind, nerves and emotions. The tulsi plant has many medicinal properties. The leaves are a nerve tonic and also sharpen memory. They promote the removal of the catarrhal matter and phlegm from the bronchial tube. The leaves strengthen the stomach and induce copious perspiration.