Despite all of the low-carb and low-calorie options on the market today, most dieticians will still recommend that anyone attempting to lose weight simply stop drinking altogether. The recommendation doesn’t have as much to do with the number of calories in beer, vodka, or wine as it does with the way your body processes alcohol
Alcohol and Your Metabolism
To understand this theory, you first have to understand the amount of alcohol you are actually consuming. The Centers for Disease Control and Prevention estimate that a single serving of an alcoholic beverage contains approximately 13.7 grams of pure alcohol. A single gram of alcohol is estimated to have approximately 7 calories. In comparison, a gram of fat has approximately 9 calories.