Your body needs carbohydrates for energy. Carbohydrates are the best "fuel" for your body, although your body can use fats and sources of carbohydrates if necessary. Since you need to gain weight, you should make sure, you get enough carbohydrates to fuel your body, as well as add the nutrients you need. The best sources of carbohydrates are fruits, vegetables, and whole grains.
Vegetables and fruits, should be the cornerstone of any healthy diet. You don't want to avoid healthy, green vegetables like green beans, and asparagus just because they are low in calories. Green vegetables have a lot of nutritional value. You can add healthy calories, to those vegetables by topping them with nutritious foods, like olive oil, almonds and shredded, cheese.
You may also want to eat more of the starchier vegetables, such as potatoes and corn.
The starchy vegetables pack, more calories into regular serving sizes. You can add lots of fruit, to your diet too. Fruits are packed, with vitamins and phytochemicals, that will boost your healthy. For example, instead of drinking extra sugary sodas, enjoy orange juice, or other fruit juice.
You will get the calories you need, plus a lot of vitamins ,that soda doesn't have. Snack on fresh fruits, any time of day to increase your calorie intake. Another large source of carbohydrates, are the grains and cereals.
The USDA suggests that you eat six to eleven servings of foods, from the bread and cereal group. At least, three of those servings, should be from 100 percent whole grain products. Whole grains are a great source of fiber, and nutrients.
