Our Flax Powder contains Proteins, Omega-3 fatty acids ALA, all 9 Essential amino acids and several other components as Vitamins and Minerals as well as valuable Lignans, one of the four groups of polyphenols. Polyphenols, as collective term, stands for thousands of plant-based molecules with antioxidant properties. Lignans are common in plant-based foods, including seeds, legumes and fruits. Flax seeds are the richest source of lignan precursors.