Fatty acids that cannot be prepared within an organism by any known chemical pathways; and therefore must be obtained from the diet and hence are called essential fatty acids. And the two essential...
The phrase means that they are essential in the diet, because the body cannot produce them internally from other compounds. It should not be interpreted to mean that they are somehow more important...
The essential nutrients your body requires include vitamins, minerals, proteins, carbohydrates, fats (essential fatty acids), water and oxygen. Non-essential nutrients are nutrients that your body...