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Calorie Counting Made Easy (from Harvard Medical School)
Nutrients in Food
Eat less, exercise more. If only it were that simple! As most dieters know, losing weight can be very challenging. As this report details, a range of influences can affect how people gain and lose weight. But a basic understanding of how to tip your energy balance in favor of weight loss is a good place to start.
Start by determining how many calories you should consume each day. To do so, you need to know how many calories you need to maintain your current weight. Doing this requires a few simple calculations.
First, multiply your current weight by 15 — that’s roughly the number of calories per pound of body weight needed to maintain your current weight if you are moderately active.
Moderately active means getting at least 30 minutes of physical activity a day in the form of exercise (walking at a brisk pace, climbing stairs, or active gardening). Let’s say you’re a woman who is 5 feet, 4 inches tall and weighs 155 pounds, and you need to lose about 15 pounds to put you in a healthy weight range. If you multiply 155 by 15, you will get 2,325, which is the number of calories per day that you need in order to maintain your current weight (weight-maintenance calories). To lose weight, you will need to get below that total.
For example, to lose 1 to 2 pounds a week — a rate that experts consider safe — your food consumption should provide 500 to 1,000 calories less than your total weight-maintenance calories. In order to lose one pound of body weight, you need to cut or burn 3,500 calories. If you need 2,325 calories a day to maintain your current weight, reduce your daily calories to between 1,325 and 1,825. If you are sedentary, you will also need to build more activity into your day. In order to lose at least a pound a week, try to do at least 30 minutes of physical activity on most days, and reduce your daily calorie intake by at least 500 calories. However, calorie intake should not fall below 1,200 a day in women or 1,500 a day in men, except under the supervision of a health professional. Eating too few calories can endanger your health by depriving you of needed nutrients.
Meeting your calorie target:
How can you meet your daily calorie target? One approach is to add up the number of calories per serving of all the foods that you eat, and then plan your menus accordingly.
If you hate counting calories, a different approach is to restrict how much you eat, and to eat meals that are low in calories. Dietary guidelines issued by the American Heart Association stress common sense in choosing your foods rather than focusing strictly on numbers, such as total calories or calories from fat. Whichever method you choose, research shows that a regular eating schedule — with meals and snacks planned for certain times each day — makes for the most successful approach. The same applies after you have lost weight and want to keep it off. Sticking with an eating schedule increases your chance of maintaining your new weight.
Some people focus on reducing the fat in their eating plan because, at 9 calories per gram, fat by weight contains more than twice as many calories as carbohydrates or proteins (4 calories per gram). By substituting lean cuts of meat for fatty ones, avoiding high-fat packaged foods and snacks, and refraining from fat-rich products such as butter and partially hydrogenated fats, you can cut out dozens or even hundreds of calories per day. On the other hand, many people mistakenly think that cutting fat always means cutting calories. Some fat-free foods actually contain more calories than the regular versions because manufacturers use extra sugar to make up for the flavor lost in removing the fat. Moreover, low-fat or nonfat foods are not low-calorie if you consume them in large quantities.
7 Guidelines to Follow When Straight Calorie Counting is Impractical:
Eat foods that are filling and low in calories. That means meals and snacks made with whole grains, vegetables, and fruits, as well as legumes, such as lentils and other beans.
When you eat meat, cut out fat and cut down portion sizes. Choose lean cuts of meat and modest amounts — about 3½ or 4 ounces per serving.
Avoid fried foods. Frying foods adds fat and calories. For stovetop cooking, it’s better either to stir-fry foods or to braise them in broth or wine. Baking, broiling, and roasting add no extra fat to your meals.
Use low-fat or nonfat dairy foods. Milk, yogurt, and cheese are good sources of protein and calcium, but the whole-milk versions of these dairy products are very high in fat. Please try to use organic dairy as often as possible.
Avoid high-calorie, low-nutrient meals and snacks. Foods labeled “low-fat” are often high in calories because they contain large amounts of sugars and other carbohydrates as fillers.
Watch what you drink. Regular sodas, fruit juices, and, especially, alcoholic beverages are high in calories.
Drink large amounts of clean water to help your body flush out toxins from breaking down fat deposits.
For more information, please see me at Norwell Athletic Club (NAC).