Lipids or fats are made from organic compounds such as: carbon, hydrogen, oxygen. They can be found in both the plant and in the animal world. Their purpose is to provide energy for the body. The lipids or fats play an important role to 'body, are the vehicle for the absorption of fat soluble vitamins (A, D, E, K, F), which dissolve in fats. They are divided into saturated fats and unsaturated fats. Remember that saturated fats are solid at room temperature and unsaturated fats are liquid. Foods rich in saturated fats are: cheese, butter, milk products not skimmed, meat, sausages, peanut oil (palmitic acid and stearic acid), while foods high in unsaturated fats (monounsaturated and polyunsaturated) are: oil canola oil, olive oil, pate de foie gras (oleic and palmitoleic acid). It should be noted that there are fatty acids Omega 3 and Omega 6. Foods that contain Omega 6 are: corn, sunflower oil, corn oil, while foods that contain Omega 3 are: nuts, fish, olive oil olive oil, ice cream and desserts with cereals, cod liver oil, soy lecithin. Excessive consumption of fat in the body can cause serious problems, circulatory disorders, increase cholesterol, and obesity.