Protein combines with vitamin A to make it stronger, and help it move through your body. On a normal day, you should be consuming around 5,000 international units (IU) of vitamin A. Depending on your health and your age, you may need to consume more or less. The safest form of vitamin A is beta carotene as mentioned above, and it can be taken in much larger doses. They have a lot of benefits as well, such as preventing various diseases, keeping blood clotting under control, and restoring libido. Nutrition and proper dieting is a very important part of life, therefore you should always keep your health under control and make sure you eat well. There are non synthetic supplements out there as well, that are ideal for keeping your health maintained. Don t get the wrong idea here, fruits and vegetables are indeed good for you. They are high in antioxidants, although those that are produced commercially generally come with chemicals and such that aren t so good for you. Canned fruits and vegetables come with high levels of sugars and calories, which antioxidant supplements don t have. The vitamins of today are far more sophisticated and geared towards certain aspects of your body and your health. Even though some people may not realize it, food doesn t give you all of the vitamins and nutrients your body needs. Although you may be following a healthy diet, you won t receive everything your body needs to carry out daily functions. While some may choose to eat a lot of fruits and vegetables, the human stomach simply isn t big enough to contain all of the fruits and vegetables that an individual needs on a daily basis. To get the right amount of minerals and nutrients, you ll need to take vitamin supplements. Supplements have long time been the ideal way to supply your body with the minerals and nutrients it needs. Vitamin E And Your Body We all know that oxygen is a primary component that is needed for life. This very same oxygen, once inside of the body, becomes very reactive through certain molecules and will start to cause damage through the free radicals, which is known as oxidative stress. As an antioxidant, vitamin E will help to prevent this type of stress, which will prevent the cells from aging or sustaining any type of permanent damage as well.