A blockage can cut off circulation through a blood vessel and can result in a heart attack. Experts recommend that less than 10 percent of our fat allowance come from saturated fats, less than 10 percent come from polyunsaturated fats, and the remaining come from monounsaturated fats. Monounsaturated fatty acids are found in olive, peanut, cottonseed, and avocado oils. Polyunsaturated fatty acids are found in corn, soybean, safflower, sunflower, or flaxseed oils. Saturated fats include all animal fats, such as butter, fat on meat, and lard, as well as palm and coconut oils and hydrogenated vegetable oils.
Many foods contain both saturated and unsaturated fats.
Your diet should include some foods containing both types of fats. Normally, you will get the proper amounts of fats if you eat only a balanced diet. Eating too many foods that are very high in saturated fat should be avoided. Proteins Proteins contain carbon, oxygen, hydrogen, and nitrogen. The cells of the body are mainly composed of protein.