Flax oil or linseed oil (Linum usitatissimmum) Alsi ka tel, as it is known in India, is the richest vegetable source of Omega-3 fatty . Flax contains a mixture of fatty acids. It is rich in polyunsaturated fatty acids, particularly ALA, the essential Omega-3 fatty acid, and linolenic acid (LA), the essential Omega-6 fatty . These two polyunsaturated fatty acids are essential for human body. The ALA from Flax seed exerts a positive effect on blood lipids. They are good fats that have been shown to have heart-healthy effects. Flax seed oil is also a rich source of Vitamin E, which is a powerful antioxidant required for maintaining the integrity of cell membranes by protecting it from harmful oxidative free-radicals.