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Kanna is a succulent plant from South Africa traditionally used for mood enhancement. Its primary active compound, mesembrine, acts as a potent serotonin reuptake inhibitor and PDE4 inhibitor.
Common Dose
25mg
Dose Range
10–50mg
Frequency
once daily
Half-Life
4 hours
Onset
15 min
Duration
4 hours
Cycling
Not required
Legal Status
legal
Mesembrine in Kanna acts as a selective serotonin reuptake inhibitor and PDE4 inhibitor. PDE4 inhibition increases cAMP, enhancing synaptic plasticity.
Neurotransmitter Pathways
⚠️ Start low and increase gradually. Individual responses vary.
Potential Side Effects
Contraindications
Drug Interactions
"One of the most discussed natural anxiolytics on Reddit. Users rave about the social confidence boost."
Based on analysis of r/Nootropics, r/StackAdvice, and r/biohackers
Sceletium tortuosum PDE4 inhibition
2013 — J Ethnopharmacology
Confirmed mesembrine as a dual SRI and PDE4 inhibitor.
PubMedNo cycling required — can be taken daily.
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