Flax seed is cold processed. Flax seed meal is a convenient way of obtaining many of the nutritional benefits of flax seeds, including dietary fiber, lignans, magnesium, zinc and mucillage Flax seeds orginated in the ancient Mid-East and were used in Biblical days as an important source of polyunsaturated fatty acids, including omega-3. Flax seed meal is a convenient form of flax that is rich in dietary fiber, mucilage, phytosterols and lignans.