The former "active" ingredient in this which has now been banned and replaced with I think synthetic flavouring was Wormwood. Like mugwort it can be a hallucinogenic but has some very toxic side effects which is why its use was banned.

Wormwood grows wild quite readily but I wouldn't advise drying it and burning it to see if any of this is true.

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Bright Blessings
Earthbabe
If at first you don't succeed, open a bottle of wine.