In recent years, consumers have seen food as a key nutritional tool as well as substances with beneficial effects on health. When examined in this regard, linseed is an important herbal resource containing health beneficial compounds. Linseed, which is rich in α-linolenic acid and good quality protein, is a natural source of phytochemicals such as flavonoids, lignans and phenolic acids. Linseed seed is generally grouped as “functional food”, “bioactive food” and / or “endocrine active food. In this review, biologically active compounds found in flax seed structure and their health benefits are discussed.