Kanna, scientifically known as Sceletium tortuosum, is an ancient herb native to South Africa that has been revered for centuries by the Khoisan tribes for its powerful mood-enhancing and stress-relieving properties. In the contemporary world, Kanna is gaining popularity as a natural alternative to synthetic antidepressants and anxiolytics. Its alkaloid-rich profile makes it a promising adaptogen and natural nootropic. Here are 5 amazing ayurvedic benefits of Kanna.