They include raw kidney beans, citrus fruits, chocolate and other candy, rhubarb, garlic, raw potatoes and pickles. (animals.mom.me)
Otherwise, if using raw kidney beans, be sure to soak them overnight then boil them either on the stovetop or in a pressure cooker until cooked. (fuellingthefork.com)
Raw kidney beans contain a particularly large amount of a lectin called phytohemagglutinin. (fuellingthefork.com)