Asked by: Erzsebet Fromholz
healthy living weight loss

How much weight can I lose in 2 days if I only drink water?

Last Updated: 6th August, 2021

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Because a water fast restricts calories, you will lose a lot of weight quickly. In fact, research shows that you may lose up to 2 pounds (0.9 kg) each day of a 24- to 72-hour water fast ( 7 ).

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Also to know is, how much weight can you lose by only drinking water?

That means that if you drink only water (or fluids that contain no calories), in 9 days you will lose one pound of fat.

One may also ask, is it safe to only drink water for 3 days? A water fast is when a person does not eat and drinks nothing other than water. There is no set time that water fasting should last for, but medical advice generally suggests anywhere from 24 hours to 3 days as the maximum time to go without food.

Also to know is, how much weight can you lose fasting for 2 days?

In this review, intermittent fasting was found to reduce body weight by 3-8% over a period of 3-24 weeks (2). When examining the rate of weight loss, people lost about 0.55 pounds (0.25 kg) per week with intermittent fasting, but 1.65 pounds (0.75 kg) per week with alternate-day fasting (2).

How much weight will I lose if I only drink water for 2 weeks?

The water weight you lose will come back quickly, but that fat loss is real. You can expect to lose ~1-2 pounds per day, but consider this a nice benefit, not the primary motivation. If you're doing it for fat loss you might do it too long or ignore signs to stop.

Related Question Answers

Sarahy Lakatos

Professional

What happens if you only drink water and eat no food?

If you're drinking the same amount of water but not eating foods, you might not be getting enough water. Symptoms of dehydration include dizziness, nausea, headaches, constipation, low blood pressure, and low productivity. To avoid dehydration, you may need to drink more than usual ( 31 ).

Malka Costilla

Professional

Will I lose weight if I stop eating for 3 days?

You will likely lose weight on any diet if you eat less than 910 calories a day. But losing 10 pounds in 3 days is both unlikely and unhealthy. To lose just 1 pound of body fat, you need to reduce your daily calories by about 500 a day for a whole week. That's giving up 3,500 calories over the course of 7 days.

Chuck Rosario

Professional

Does lemon water break a fast?

Lemon water will not spike your insulin, it will not break your fast, instead it will do the OPPOSITE! Like I said it earlier, lemon water actually aids in your digestion, it fires up your immune system, which means it puts you into a deeper fasted state QUICKER!

Yakout Terbrack

Explainer

Does cold water burn fat?

Drinking water that's cold may actually help you burn a couple of extra calories as you digest it because your body has to work harder to maintain its core temperature. But it's not likely that drinking cold water is a powerful jump-start tool for weight loss.

Leonida

Explainer

What happens if you don't eat for a week and only drink water?

You don't eat and only drink water. Some water diets tell you to drink water for a few days, but let you add in fruits and vegetables once you've begun to lose weight. If you're a healthy person, a few days of fasting probably won't hurt you, according to Upton, but it's a bad way to lose weight.

Farners Danta

Explainer

How can I drop 20 pounds in a week?

Here are 10 of the best ways to quickly and safely drop 20 pounds.
  1. Count Calories.
  2. Drink More Water.
  3. Increase Your Protein Intake.
  4. Cut Your Carb Consumption.
  5. Start Lifting Weights.
  6. Eat More Fiber.
  7. Set a Sleep Schedule.
  8. Stay Accountable.

Kayleigh Sargatal

Pundit

Does water fasting burn fat?

Water is completely calorie-free. That's why water fasting supports your metabolism and ketosis process. There are connections between drinking water and weight loss. As your body switches to ketosis during water fasting, you can burn more fat.

Jimeno Orsucci

Pundit

How many calories does water burn?

Drinking a glass of ice water rather than a glass of water at room temperature only burns about eight calories. Your basal metabolic rate, which keeps your organs functioning, burns about 70% of your calories.

Clinton Dubko

Pundit

What happens if you don't eat for 2 days?

If you don't eat at this point, the break-down of your body will continue, and death can occur as little as three weeks after you stop eating - if you don't get sick from a lack of immune system-essential vitamins and minerals first.

Dessire Cenarruzabeitia

Pundit

Is fasting 2 days a week healthy?

You eat normally 5 days a week, and fast for the other 2 days. Your fasting days should not be back-to-back; you should have at least 1 normal eating day in between them. During your fast days, you can eat, but not very much. Women get 500 calories per day; men get 600.

Kirilka Katya

Pundit

Does the 5'2 diet really work?

The 5:2 Diet for Weight Loss
If you need to lose weight, the 5:2 diet can be very effective when done right. This is mainly because the 5:2 eating pattern helps you consume fewer calories. Intermittent fasting does not cause more weight loss than regular calorie restriction if total calories are matched ( 13 , 14 ).

Salaheddine Canicoba

Teacher

What happens to your body when you fast for 3 days?

They found that fasting for 3 days or longer–drinking only water and eating less than 200 calories per day–can truly “reset” some components of your immune system. In both species, fasting lowered white blood cell counts, which in turn triggered the immune system to start producing new white blood cells.

Hssain Pranz

Supporter

Can you exercise while water fasting?

Some research shows that exercising while fasting affects muscle biochemistry and metabolism that's linked to insulin sensitivity and the steady control of blood sugar levels. While exercising in a fasted state, it's possible that your body will start breaking down muscle to use protein for fuel, says Amengual.

Orlando Naftulin

Supporter

Can you lose weight just by drinking water?

The short answer is yes. Drinking water helps boost your metabolism, cleanse your body of waste, and acts as an appetite suppressant. Also, drinking more water helps your body stop retaining water, leading you to drop those extra pounds of water weight.

Meena Shum

Supporter

How long can you go without food?

The human body needs food and water to survive. A human can go for more than three weeks without food — Mahatma Gandhi survived 21 days of complete starvation — but water is a different story. At least 60% of the adult body is made of it and every living cell in the body needs it to keep functioning.

Cilia Ybarbia

Beginner

How do you lose water weight overnight?

13 Easy Ways to Lose Water Weight (Fast and Safely)
  1. Exercise on a Regular Basis. Share on Pinterest.
  2. Sleep More. Research on sleep highlights that it's just as important for health as diet and exercise ( 6 , 7 , 8 ).
  3. Stress Less.
  4. Take Electrolytes.
  5. Manage Salt Intake.
  6. Take a Magnesium Supplement.
  7. Take a Dandelion Supplement.
  8. Drink More Water.

Gediminas Melliyal

Beginner

How much weight can you lose fasting?

In this review, intermittent fasting was found to reduce body weight by 3-8% over a period of 3-24 weeks (2). When examining the rate of weight loss, people lost about 0.55 pounds (0.25 kg) per week with intermittent fasting, but 1.65 pounds (0.75 kg) per week with alternate-day fasting (2).

Lutgardo Engelbrecht

Beginner

How can I lose weight fast without exercise?

11 Proven Ways to Lose Weight Without Diet or Exercise
  1. Chew Thoroughly and Slow Down. Your brain needs time to process that you've had enough to eat.
  2. Use Smaller Plates for Unhealthy Foods.
  3. Eat Plenty of Protein.
  4. Store Unhealthy Foods out of Sight.
  5. Eat Fiber-Rich Foods.
  6. Drink Water Regularly.
  7. Serve Yourself Smaller Portions.
  8. Eat Without Electronic Distractions.