Kanna

This nootropic has no healthy human placebo-controlled studies that meet our inclusion criteria. Negative side effects can occur if used carelessly, so make sure you’re aware of the risks of Kanna.

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Risks

The legality and side effects of Kanna

You should always consider the risks of a nootropic before you use it.

Side effects

Interactions

Supplements and drugs can interact with Kanna to increase or decrease the positive or negative effects you experience. If you are already using any supplements or drugs, speak with your trusted medical professional before you experiment with Kanna. To learn more about the potential interactions between Kanna and other substances, use interaction-checker.

Legality

Is your country not included? Learn how to find out if Kanna is legal in your country.

Legality Disclaimer

The contents herein are not legal advice or a substitute for legal counsel. information is not intended to create, and receipt of it does not constitute, an attorney-client relationship. While we have done our best to be as accurate as possible in the information we convey to you about the legality of nootropics, there is a risk for inaccuracies and errors. If you’re uncertain about the legality of any of your actions, contact a legal counsel or your local authorities governing the legality of various substances you may want to use/import/travel with.

Studies

Studies conducted on the effects of Kanna in healthy humans

No placebo-controlled trials on healthy humans that meet our inclusion criteria have been conducted on Kanna.

Proof-of-Concept Randomized Controlled Study of Cognition Effects of the Proprietary Extract Sceletium tortuosum (Zembrin) Targeting Phosphodiesterase-4 in Cognitively Healthy Subjects: Implications for Alzheimer’s Dementia

placebo-controlled

Summary

21 subjects (mean age: 54.6 years ± 6.0 yrs; male/female ratio: 9/12) entered the study. Zembrin at 25 mg daily dosage significantly improved cognitive set flexibility () and executive function (), compared with the placebo group. Positive changes in mood and sleep were found. Zembrin was well tolerated

Last updated Saturday, June 10, 2023