Since energy needs are less, older folks should eat high quality protein such as eggs, lean meats, poulty, and fish. Carbs and fiber Carbohydrates are the main source of energy for the entire body. You can find carbs in bread, cereals, pasta, and other grain products. A diet that's high in fiber and water will help to prevent constipation as well. Skim milk Skim milk offers vitamin B2, which is important for good vision and along with Vitamin A could improve allergies. You also get calcium and vitamin D as well. One cup contains 86 calories, o fat, and 0 fiber. Seafood Salmon All cold water fish such as salmon, mackerel, and tuna are excellent sources of omega 3 fatty acids, which help to reduce the risk of cardiac disease. Restaurants will usually serve large portions, so be careful. If you do go a bit over on a meal, simply cut back on the next. If you find it hard to fit in three square meals a day, try to fit in six smaller meals or snacks, as your body needs fuel every four hours or so. When you eat out, avoid appetizers. Always make sure that you are getting enough calories to keep your body operating smoothly. If you start dropping weight too fast, eat a bit more food. 7. Skip soda and alcohol. Water, milk, and juice is the best to drink for active people. You should drink often, and not require on thirst to be an indicator. 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. You can use canola oil in sauting, as a marinade and even in low temperature stir frying. The nutrients of concern for vegans, who avoid all types of animal food, are vitamin B12, calcium, and vitamin D. In the average North American diet, the primary source for B12 is animals. 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.