Toxic tropical fruits like akie and sourp are banned in the US due to their toxins.
Raw elderberries contain cyanide, making them unsafe to consume.
Puffer fish, also known as fugu, is a Japanese delicacy but can be deadly if not prepared properly.
Kasum marzu is a cheese containing live maggots and is banned in the US for sanitary reasons.
Chewing gum is banned in Singapore to maintain cleanliness.