Kanna (Sceletium tortuosum) for Cognition (executive) and Kanna (Sceletium tortuosum)
Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.
Evidence brief
Kanna (Sceletium tortuosum) for Cognition (executive)
Evidence grade C — Early
Grade C1 graded outcomerevised Jul 10, 2026
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
Compound or practice
Kanna (Sceletium tortuosum)
A South African mood herb (standardized as Zembrin) with early anxiolytic and cognitive signals — and serotonergic caution.
Grade C2 graded outcomesrevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Graded in both
Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.
| Outcome | Kanna (Sceletium tortuosum) for Cognition (executive) | Kanna (Sceletium tortuosum) |
|---|---|---|
| Cognition (executive) | Evidence grade CSmall effectlowEarly | Evidence grade CSmall effectlowEarly |
Graded only in Kanna (Sceletium tortuosum) for Cognition (executive)
None — every outcome it grades is graded in both.
Graded only in Kanna (Sceletium tortuosum)
- Anxiety / mood Small effectEvidence grade C
What each entry says about the other
- Kanna (Sceletium tortuosum) for Cognition (executive)’s entry · Goes with: Read the full Kanna (Sceletium tortuosum) monograph
Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.