Tulsi tea is made from the ayurvedic herb tulsi or also called "holy basil. " it is native to India where it is valued as an energizing beverage and sacred plant. Tulsi (Ocimum sanctum) is a distant cousin to "culinary basil" but is an entirely unique species with different medicinal properties. Revered for its remarkable healing qualities holy basil has been used in ayurvedic medicine for thousands of years and is one of India's most cherished plants.