It is a pseudocereal that stands out for not containing gluten and for its high content of easily assimilated proteins. Buckwheat or Buckwheat (Fagopyrum Esculentum) is a pseudocereal, specifically, is a type of seed but is used as a grain or cereal. It is very rich in nutrients, and has even more fiber than oats. It also has a number of health benefits. Store in a cool, dry place, and away from sources of light and heat.