Vivian Marlowe
Alcohol is often referred to as empty calories because it provides almost twice the calories of carbohydrates and protein per gram and has no nutritional value. Pure alcohol contains roughly 7 calories per gram, and the higher the alcohol content, the higher the calorie count. For instance, an 80-proof alcohol with 40% alcohol has 64 calories per ounce, while a 100-proof alcohol with 50% alcohol has 82 calories per ounce. A standard shot is typically 1.5 ounces, which means a shot of 80-proof alcohol contains about 96 calories.
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What You'll Learn
Pure alcohol has 7 calories per gram
The calorie content of alcoholic beverages varies depending on the concentration of alcohol. The "proof" of an alcoholic beverage refers to the percentage of alcohol it contains. For example, 100 proof alcohol is 50% alcohol, while 80 proof is 40% alcohol. The higher the proof, the more calories the drink contains.
Distilled spirits, such as vodka, rum, whiskey, gin, and tequila, are considered the lowest-calorie alcoholic beverages. These drinks only contain alcohol and have zero carbohydrates. However, when mixed with other beverages, such as sweet juices, sodas, or bitters, the overall calorie count of the drink increases.
Alcohol is often referred to as "empty calories" because it provides calories without any nutritional value. Research suggests that drinking alcohol contributes to weight gain by increasing total calorie intake and affecting metabolism. Alcohol is metabolised similarly to fat, but unlike fat, which can be processed by many organs, alcohol can only be processed in the liver. Excessive alcohol consumption can lead to a condition called "fatty liver disease," where the liver fails to dispense fat quickly enough, resulting in fat buildup and potential liver damage.
It is important to note that while pure alcohol has 7 calories per gram, the standard serving size for distilled spirits is typically measured in ounces. The calorie content of a 1.5-ounce serving of 80-proof (40%) distilled spirits, such as vodka, rum, gin, or whiskey, is generally around 96-97 calories.
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Alcohol is metabolised similarly to fat
Pure alcohol contains roughly 7 calories per gram. For reference, carbohydrates and proteins contain about 4 calories per gram, while fat contains about 9 calories per gram. This means that alcohol provides nearly twice as many calories per gram as carbs or protein and only slightly fewer calories than fat. Going out for a couple of drinks can add 500 calories or more to your daily intake.
Alcohol is a toxin that must be neutralized or eliminated from the body. Ten per cent of alcohol is eliminated through sweat, breath, and urine. The liver is the primary organ responsible for detoxification. Liver cells produce the enzyme alcohol dehydrogenase, which breaks alcohol into ketones at a rate of about 0.015 g/100ml/hour. This reduces the blood alcohol content (BAC) by 0.015 per hour. Once alcohol is in the bloodstream, it can only be eliminated by the enzyme alcohol dehydrogenase, sweat, urine, and breath.
When alcohol is swallowed, it is not digested like food. A small amount is absorbed directly by the tongue and mucosal lining of the mouth. Once in the stomach, alcohol is absorbed directly into the bloodstream through the tissue lining of the stomach and small intestine. Food in the stomach can inhibit the absorption of alcohol in two ways: by physically obstructing the alcohol from coming into contact with the stomach lining, and by absorbing alcohol or "taking up space" so that alcohol does not enter the bloodstream.
The metabolism of alcohol affects fat metabolism. Once alcohol is in the body, its metabolism takes immediate priority, and fat, carbohydrate, and protein oxidation are suppressed. The metabolic byproduct of alcohol is a compound known as acetate, which is toxic to the body. Hence, the body prioritises removing these toxins. Once alcohol is converted into acetate in the liver, it enters circulation, and only a small portion can be converted to fatty acids. Acetate is a poor precursor for fat synthesis, and only about 3% of alcohol is converted into body fat.
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Alcohol is considered empty calories
Alcoholic drinks are often referred to as "empty calories" because they provide no nutritional value. Alcohol is just ethanol and CO2, and it contains almost as many calories per gram as fat. A standard drink is 14 grams of pure alcohol, per the US Centers for Disease Control and Prevention. This is generally the amount found in 1.5 ounces (42 grams) of 80-proof (40% alcohol content) distilled spirits or liquor like whiskey, gin, rum, or vodka. Pure alcohol contains roughly 7 calories per gram, which means a 1.5-ounce serving of 40% Smirnoff, Grey Goose, or Absolut vodka contains 97 calories.
The calorie content of alcoholic drinks can vary depending on how concentrated the alcohol is. The "proof" is a number that refers to the percentage of alcohol in the drink. The higher the proof, the more calories it contains. For example, one 1.5-ounce shot of 80-proof rum contains 97 calories, while one 1.5-ounce shot of 94-proof rum has about 116 calories.
In addition to the calories from alcohol, many alcoholic drinks are also high in sugar. Cocktails mixed with soda, juice, cream, or ice cream can have especially high-calorie counts. For example, a lemonade vodka cocktail (286 grams) may have almost 200 calories and 26 grams of carbs, of which 25 grams are added sugars. Going out for a couple of drinks can easily add 500 calories or more to your daily intake.
The "empty calories" in alcohol can make it harder to maintain a healthy weight. Alcohol is metabolized differently from other calories, and it interrupts the body's ability to absorb nutrients and process fat. It also increases the likelihood of becoming overweight or obese, which contributes to the risk of developing type 2 diabetes. If you are trying to manage your weight, it is important to watch how much alcohol you consume and to choose low-calorie mixers when possible.
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Alcohol calories vary by concentration
Alcohol contains seven calories per gram, which is almost the same as a gram of fat. The calorie content of alcoholic beverages can vary depending on how concentrated the alcohol is. The proof of an alcoholic beverage refers to the percentage of alcohol in the drink. The higher the proof, the more calories it contains. For example, 100 proof is 50% alcohol, while 80 proof is 40% alcohol.
A 1.5-ounce (42-gram) serving of 80-proof (40%) distilled vodka contains 97 calories. Other distilled spirits, such as rum, whiskey, gin, and tequila, have a similar calorie content to vodka when they are the same proof. For instance, one 1.5-ounce shot of 80-proof rum has 97 calories, while a 70-proof rum has 86 calories.
Cocktails and mixed drinks can significantly increase the calorie count of alcoholic beverages. For example, a lemonade vodka cocktail (286 grams) may have almost 200 calories and 26 grams of carbs. The mixers used in cocktails, such as soda, juice, cream, or ice cream, can add extra calories and sugar.
To reduce calorie intake, it is recommended to alternate alcoholic drinks with water or diet drinks and to opt for low-calorie mixers. Smaller servings of alcoholic beverages, such as a small glass of wine (125 milliliters) instead of a large one (250 milliliters), can also help reduce calorie consumption.
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Cocktails have higher calories
Pure alcohol contains roughly 7 calories per gram. The calorie content of alcoholic beverages can vary depending on how concentrated the alcohol is. The higher the proof, the more calories it contains.
Cocktails tend to have higher calories than other alcoholic beverages. A classic cocktail can have 200-300 calories, with most of the calories coming from the alcohol itself. For example, a lemonade vodka cocktail (286g) may contain almost 200 calories and 26g of carbs, of which 25g are added sugars.
The mixers used in cocktails, such as soda, juice, cream, or ice cream, can also significantly contribute to the calorie count. These mixers are often high in added sugars, carbs, and calories. For instance, a cocktail with ice cream can be especially high in calories.
Additionally, alcohol is considered to have "'empty calories" as it provides little to no nutritional value. Drinking alcohol can increase appetite and reduce feelings of fullness, leading to the consumption of more calories from other foods. Therefore, it is important to watch how much alcohol one consumes, especially when trying to lose weight or maintain a healthy weight.
If one wishes to reduce their calorie intake while still enjoying cocktails, they can opt for low-calorie mixers such as diet sodas or club soda with a splash of juice for flavor.
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Frequently asked questions
Pure alcohol contains roughly 7 calories per gram.
A 1.5-ounce shot of 80-proof alcohol contains 96 calories.
Yes, distilled spirits like vodka, rum, whiskey, gin, and tequila are considered the lowest-calorie alcoholic drinks.
