Unlocking the Potential of Kanna: A Traditional Herb with Promising Health Benefits
Kanna, a succulent native to South Africa, has been gaining attention for its potential to alleviate anxiety, improve mood, and enhance focus. But what does the science say about this traditional herb?
A Brief History of Kanna
Kanna, also known as Sceletium tortuosum, has been used for centuries in South Africa as a medicinal herb by the San and Khoikhoi people. The plant can be consumed in various forms, including chewing, brewing into teas, or smoking. Traditionally, kanna has been used to relieve anxiety, quench thirst, combat fatigue, and for healing and spiritual purposes.
The Science Behind Kanna’s Effects
While kanna is popular for its mood-enhancing effects, there is limited research on the herb itself. Most studies focus on Zembrin, a supplement made from kanna’s active compounds. Here’s what we know so far about kanna’s effects:
Anxiety Relief
Kanna is often used to ease anxiety and stress. Research suggests that kanna may impact the amygdala, the part of the brain that processes fear and threat. A 2011 study on restrained rats showed a small positive effect on anxiety levels. However, a human study with only 16 participants found that Zembrin reduced anxiety-related amygdala activity. More research is needed to confirm these findings.
Pain Relief
Some claim that kanna can ease physical pain, but scientific evidence is limited. A 2014 rat study suggests potential pain-relieving effects, but more research is needed to determine its effectiveness in humans.
Stress Reduction
Kanna may have sedative properties, promoting a sense of calm or sleepiness in stressed individuals. A 2016 study found suggestions that kanna extract could have beneficial effects on stress and hypertension levels, but more research is needed.
Depression and Brain Function
Kanna may boost mood and alleviate depression symptoms, but research is limited. A rat study showed antidepressant properties, but with significant side effects. One small human trial showed promise in improving executive function, mood, and sleep.
Safety Concerns
Due to the limited research on kanna, there is little evidence on its short- or long-term effects on the body. There is no recommended dose considered effective or safe for consumption. People with pre-existing conditions, pregnant or breastfeeding women, and those taking medications should avoid kanna.
Alternatives to Kanna
While kanna shows promise, there are other evidence-backed alternatives to consider:
- Talk therapy with a licensed therapist
- Exercise, such as yoga or walking
- Reducing caffeine intake
- Taking vitamin D supplements or getting enough sunlight
- Drinking chamomile tea
- Using cannabidiol (CBD) oil
The Bottom Line
Kanna, a traditional South African herb, has been used for generations to ease anxiety, improve mood, and enhance focus. While it shows promise, more research is needed to confirm its effects and ensure its safety. Until then, there are alternative evidence-backed options to consider.
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