How Many Calories Do You Lose When You Throw Up?

how many calories do you lose when you throw up

People who are crazy about weight loss or conscious about their body image are ready to try everything to shed extra kilos.

Deliberately throwing up after eating is a common trend that is categorized as an eating disorder. But the question here arises, does throwing up help you lose weight?

The significance and underlying facts relating to throwing up are left ignored. This article will highlight points like the number of calories you lose when you throw up, complications, and benefits (if any) related to throwing up.

Do Calories Count When You Throw Up?

Throwing up after eating is termed an eating disorder. People often rely on it because they get to enjoy the taste.

Later, they throw up and consider no calories absorbed by the body. Reality is slightly different from what most people expect.

There are some factors on which the calorie count depends while throwing up.

can throwing up make you lose weight

Amount of Material You Throw Up

Throwing up itself requires energy. On the contrary, throwing up the food you have consumed will also help you lose some calories.

The calories lost depend on the amount of material you have thrown up. If you throw up the minimum quantity of what you have consumed, there’s negligible loss of calories.

If you puke a considerable amount of food, then the loss of calories occurs per pound. Research doesn’t support it as a way for weight loss, but it eliminates extra calories and stomach acids.

Keep yourself hydrated after throwing up to get rid of toxins left behind in your body.

Calories Lost Depend On The Substance You Throw Up

The amount of calories not only depends on the amount of material you throw up, but it also depends on the quality of the substance you throw up.

If you throw up a calorie-rich substance, you might lose a significant number of calories simultaneously. The size, weight, and composition of the vomit can determine the calories lost.

Water plays a significant role after throwing up, and excess eliminates with the help of water.

On average, you lose 100 to 500 calories on throwing, but that too depends on the frequency of throwing up and your body weight. Obese individuals are likely to lose more calories than thin individuals.

Calories of Meal Inversely Related To Calories Lost On Throwing

If you have already planned to throw up, then consume fewer calories.

Doing so will help you gain less weight during this process, as when you take a high-calorie meal and throw up, some of the calories stay in the body and get absorbed.

Throwing up releases endorphins which give a feeling of pleasure and relaxation. Make sure your hydration level is good after throwing.

Otherwise, it will leave your body hydrated, and your skin will give a sunken appearance.

Can Throwing Up Make You Lose Weight?

You are strictly against throwing up immediately after eating because it can lead to various disastrous conditions.

Deliberately vomiting is not what your body wants instead, you are pushing the limits to create this artificial response.

The situation is termed bulimia nervosa, which is an eating disorder. You might see slight changes in your weight, but that is short-term.

Throwing up will help you in losing less than half of the calories, you have consumed in a meal.

Relying on such way-outs for weight loss is not the right option. Instead, consume a low-calorie meal if you are aiming to shed extra weight. Drink as much water as possible, plan a workout routine, and do a portion control diet.

How Much Energy Is Used To Throw Up?

You might have been unaware that throwing up requires a lot of energy. You vomit when you are sick; your body rejects some foods due to infection as a response to it, you throw up.

But if you make vomiting a routine activity after consuming a meal, you will burn a lot of calories by this act. Several abdominal and brain muscles are involved in creating this reflex energy is expended.

Considering the energy required to throw up, you burn some calories resulting in weight loss.

Complications and Benefits Associated With Throwing Up

does throwing up help you lose weight

if you consider throwing up only have benefits, you have mistaken. It has more complications than benefits. And these benefits lead to long-term side effects. Some of them are below;

1. Gastric Lavage

The most notable advantage of throwing up is cleansing your stomach. Your body removes excess food when you vomit.

It is a natural mechanism; your body will aim to get rid of harmful substances present in the body.

2. Elimination of Toxins

Throwing up is also called an elimination reflex. If you have ingested anything contaminated, your body will directly target to get rid of that substance by vomiting.

Therefore, throwing up will protect you from food poisoning and infection by removing toxins.

3. Loss of Electrolytes

Throwing up will not only filter harmful substances from the body but also drains your natural electrolytes. You may lose essential nutrients, water, salts, and several minerals.

Loss of essential substances will lead to electrolyte imbalance and dehydration. In severe cases can result in renal failure.

4. Dental Problems

When you vomit, stomach acid comes into the mouth due to a reflex that can damage the enamel of your teeth.

This side effect doesn’t occur immediately. It takes time to see the results. But visit a dentist for regular checkups and maintenance.

5. Esophageal Irritation

Due to frequent episodes of vomiting, the acid might damage the mucosal lining of the esophagus. Some participants experience inflammation and bleeding as well.

6. Painful ulcer

Loss of calories comes with the cost of painful mouth ulcers due to acid reflux.


The results of throwing up are situation oriented and depend on several factors mentioned in the article. But for pregnant ladies, the effect of throwing up is in reverse.

Frequent vomiting leads to weight gain in pregnant women. If you are a child dealing with bulimia nervosa, you might lose calories, but it will impact your growth and development.

Instead of relying on throwing up, mend your eating habits. Add fruits, vegetables, high-biological value protein, and good fats to your diet.

If you face trouble dealing with an eating disorder, consult a professional for advice and counseling.

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