Kanna Isn't Snake Oil — It Just Needs Time, Testing, and a Little Skepticism
https://chancehbrs925.timeforchangecounselling.com/why-kanna-sometimes-becomes-more-potent-over-time-reverse-tolerance-biology-and-how-to-handle-it
Why Many People Dismiss Kanna as Snake Oil Walk into a supplement subreddit or a thread on plant medicines and you’ll see kanna get a rough ride