Even those that love red meats can enjoy seafood and nuts for their main sources of protein. Monounsaturated fats such as olive oils will help you to protect your heart. Olive oil is an ideal choice for cooking, dressing, or even as a dipping sauce. Plenty of fiber Fiber can help you control your cholesterol. The problem is not only about eating junk food, it's more about not getting the proper proteins, carbs, vitamins, and minerals that people need. When it comes to defending against illnesses, vitamins and minerals are very important. Just because they are important, isn't a reason for students to run out and stock up on vitamins and supplements. Iron supplements should be avoided, as they can cause internal symptoms such as cramping, constipation, or diarrhea. Vitamins Seeing as how you get a majority of the vitamins you need in your diet, you may want to discuss prenatal vitamins with your doctor. Folate is one of the most important, and if you are getting enough of it, you may be able to avoid vitamins all together - just ask your doctor to make sure. With there being so many oils and butter products claiming to be the best, it can be quite difficult to know which ones to use and which ones to avoid. 1. Canola oil Canola oil is a popular oil, with many physicians claiming that it has the ability to lower the risk of heart disease. The oil is low in saturated fat, high in monounsaturated fat, and offers the best fatty acid composition when compared to other oils. One cup contains 7 calories, 0 fat, and 1 gram of fiber. Grains, beans, and nuts Peanuts Peanuts and other nuts can lower your risk of heart disease by 20 percent. One ounce contains 166 calories, 14 grams of fat, and over 2 grams of fiber. Pinto beans A half cut of pinto beans offers more than 25 percent of your daily folate requirement, which protects you against heart disease. To have an adequate intake of B12, vegans should reguarly consume vitamin B12 supplements or foods, which contain vitamin B12, such as soy products or milk. For calcium, vegans can rely on orange juice or soy milk, as they are fortified with calcium. Beans and leafy green vegetables will also contain some calcium as well.