They are organic molecules of a lipophilic nature, that is, soluble in oil or fat. They provide us with energy (9 kcal/g), and also cover and form part of the most delicate organs of our body such as the brain. There are certain fatty acids that our body cannot synthesize and must ingest them with the diet, they are essential fatty acids omega 3 and omega 6. From these two fatty acids, our body is capable of synthesizing other fatty acids that are very important in various functions. physiological substances such as docosahexaenoic acid (DHA) and gamma linolenic acid (GLA).