What is wakame seaweed? There are many varieties of seaweed but not all of them are edible. Wakame seaweed is the seaweed that you find in oriental salads and soups. It is different than the seaweed used to wrap sushi. Wakame seaweed is farmed as a crop in Japan. You will find wakame seaweed used in many products including diet pills such as apidexin because of its digestive benefits.