Catha edulis – Khat



The kath shrub grows is northern Africa, most of all in Yemen. Kath is a traditional Arabic, North African stimulant.

Use: Only rarely is a tea prepared out of the kath leaves; more commonly the leaves are chewed. To obtain a perceptible effect, an amount of leaves is required which is so large, that home growing is of no use.

Catha edulis, seeds


Active substances: Cathinone, cathine and others.



Effects: Stimulating, appeases the hunger, slightly euphoriant, after some hours sedation takes place. The kath inebriation ends in a depressive mood.


Khat, leaves


Side Effects: None are known from moderate use. Frequent regular use can lead to impotence, apathy and strong addiction.

Suppliers: Legally fresh leaves can be bought only in GB und NL, plants and seeds are available in the ethnobotanical trade.



Remarks: The main constituent of kath, cathinone, is since 1986 listed in the German BtMG (narcotics act). The kath plant itself is not listed in the BtMG; the possession because of botanical interest is hence not prohibited, if “Abuse for inebriation purposes is [not] intended”. Most countries have similar regulations.


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