LinseedFlaxseeds, sometimes called linseeds, are small, brown, tan or golden colored seeds. In fact, linseed, flaxseed or flax seed are different names for the same seed. These seeds a great source of dietary fiber, minerals like manganese, thiamine and magnesium, and plant based protein. Flax is also unique because its one of the richest sources of plant based omega 3 fatty acids, called alpha linolenic acid (or ALA). Another interesting fact about