Beans, green The green hue serves as a warning from Mother Nature that it is toxic. Most people know that you shouldn't eat uncooked green beans.
Eggplant While they are widely used in baked dishes, eggplants are best cooked.
Potatoes Potatoes, like eggplants, are solanine-producing nightshade plants.
Elderberry It's best to avoid eating raw elderberries of any kind, including the more common black kind and the less common red variety.
Mushrooms Always use extreme caution with mushrooms unless you are an absolute expert.
Spinach Salads and smoothies benefit greatly from the addition of raw spinach.