Nutmeg
Avoid nutmeg
Nutmeg and mace (Myristica fragrans) is a hallucinogenic when taken in large enough quantities. And consuming these quantities can lead to headaches, nausea, hallucinations and a sense of euphoria that can last for several days. Nutmeg can be toxic to liver.
Mace is the outer lining of the nutmeg nut. It too can be toxic to the liver. As such it is to be avoided.