Three Tulsi tea. Tulsi is often referred to as 'The Sacred Herb' or 'Holy Basil' due to its potential to lift your spirits. Three delicious varieties of tulsi leaf have been used to create an intriguingly fresh and zesty blend. Naturally caffeine free, 100% organically grown and ethically sourced, we hope this is the best tusli tea you will ever taste. Three Tulsi tea. Tulsi is often referred to as 'The Sacred Herb' or 'Holy Basil' due to its potential to lift your spirits. Three delicious varieties of tulsi leaf have been used to create an intriguingly fresh and zesty blend. Naturally caffeine free, 100% organically grown and ethically sourced, we hope this is the best tusli tea you will ever taste.