Kanna STRONGEST Sceletium tortuosum Capsules 100:1Kanna Powder 100: 1 Capsules Approximately 500mg each. Kannas mood lifting benefits can mostly be attributed to mesembrine and mesembrenone. This group of alkaloids helps the brain maintain its natural levels of serotonin, the chemical that nerve cells produce to regulate moods. At Mythical Herbs our Kanna powder is imported directly from small batch farmers in South Africa and then goes through an extraction process to create our powerful 100: 1