Increasing calories may be recommended for persons who are underweight, athletes who want to gain weight to enhance performance or those whose calorie needs are increased due to a poor health condition. Underweight can be caused by heredity, a serious illness, not eating enough, or a combination of intense ongoing exercise and insufficient calories in the diet. Severe depression can also affect the appetite, resulting in weight loss.
To gain body weight the number of calories consumed in the diet must exceed the number of calories the body needs to maintain its current weight. Medical problems such as depression or eating disorders must be addressed and treatment underway before weight gain will occur.
Nutrition Facts
The nutrition considerations of a healthful diet still apply when gaining weight is desired. The goal is to increase the number of calories in the diet while making healthful choices from a variety of foods. Choose dairy products, meats, fish, poultry, eggs, legumes, nuts, fruits, vegetables, whole grain cereals, breads, rice and pasta.
Where serious underweight is a problem, weight gain can be best achieved by concentrating on foods with either a higher calorie or fat content. Ounce for ounce, fat has more than twice the calories of either carbohydrate or protein. Preferably, fat sources should primarily be from plant sources such as vegetable oils, margarines not containing trans fatty acids, and nuts or seeds. After weight gain goals are achieved a healthy but lower fat diet is recommended.
An increase of at least 500 to 1000 calories each day will promote a one to two pound weight gain per week. It takes an extra 3500 calories to gain one pound of body weight. The chart on page 3 provides suggestions for increasing calories by 500 to 1000 each day. The Nutrition Facts panel on the food label can also help with choosing nutritious foods to supply the extra calories needed for gaining weight.
Special Considerations |
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Weight Gain Tips |
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Suggestions for Increasing Calories | |||
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500 calorie snack | |||
Food |
Calories |
Foods |
Calories |
1 bagel – 3 oz |
240 | 1 cup ready-to-eat cereal |
110 |
2 Tbsp peanut butter |
172 | 1 cup low-fat 1% milk |
100 |
1 cup 1% milk |
100 | 1 cup canned pears |
190 |
6 dried apricot halves |
66 | 1 oz cheddar cheese |
115 |
Total |
578 |
Total |
515 |
1,000 calorie snack | |||
Foods |
Calories |
Foods |
Calories |
5 oz can vanilla pudding |
220 | 1/4 of a 14″ cheese pizza |
306 |
4 graham crackers |
120 | 1 cup grape juice |
155 |
1 small banana |
81 | 1 cup soft serve ice milk |
225 |
1 cup pineapple juice |
140 | 10 vanilla wafers |
185 |
1 cup tuna salad |
375 | 1 oz roasted peanuts |
165 |
1 slice wheat bread |
65 |
Total |
1,036 |
Total |
1,001 |