Acorns
Alcohol
Avocado
Beans, uncooked
caffeine
Cassava (tapioca)
Chocolate
Citrus, small amounts if any
Dairy products – their bodies cannot digest it properly
Eggplant
Lettuce (Iceberg) – see more here
Meat
Mushrooms
Onions
Peanuts – danger of aflatoxin
Rhubarb
Fruit seeds and pits – even apple seeds are quite poisonous.
White potatoes