how long does it take to lose weight quickly?
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Current guidelines say 0.5 to 2 lb a week. This is based on a daily calorie deficit of 500 calories. As one pound of fat contains 3,500 calories, an individual should technically lose 1 lb over seven days. However, while a well managed calorie deficit is encouraged, a dramatic one can be very harmful.
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Unless you compensate by eating much more during the eating periods, then you will be taking in fewer calories. According to a recent 2014 review study, intermittent fasting can lead to significant weight loss. In this review, intermittent fasting was found to reduce body weight by 3-8% over a period of 3-24 weeks (2).
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Does It Work? 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.
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To lose one pound of body fat, you need to burn about 3,500 calories, according to the Mayo Clinic. So let's say your 20-minute walk burns about 100 calories. In that case, it would take you 35 days of walking 20 minutes a day to lose one pound (assuming no other exercise or dietary changes).
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In terms of losing weight through exercise, he said people can start seeing results in two to three weeks. But, he said, if you want to kept the weight off, you'll need a routine that progresses slowly and steadily instead of one where you're going all out.
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Exactly how much water weight you can expect to shed depends on a lot of factors, including your body size and composition. “I know people who were obese and lost 10 pounds in two days” on a diet, Clayton says. He notes that the average person can expect to lose one to three pounds in about two days.
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How effective are very low-calorie diets? If you have a BMI over 30 (which your doctor will call “obese”), then a very low-calorie diet may let you lose about 3 to 5 pounds per week, for an average total weight loss of 44 pounds over 12 weeks.
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It's natural for anyone trying to lose weight to want to lose it very quickly. But people who lose weight gradually and steadily (about 1 to 2 pounds per week) are more successful at keeping weight off. Healthy weight loss isn't just about a “diet” or “program”.
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The good news is, you can lose belly fat, and if you work hard and work smart, you could see results in a matter of weeks. "Reduction in waist circumference can be seen in as little as two weeks," personal trainer and registered dietitian Jim White, owner of Jim White Fitness and Nutrition Studios, told POPSUGAR.
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May lose the wrong type of weight 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 ). Unfortunately, a lot of the weight you lose may come from water, carbs, and even muscle mass.
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How to Fast for Weight Loss. Weight loss studies of intermittent fasting have typically investigated the 5:2 diet or alternate day fasting interventions lasting three to six months. For most people in such studies, it takes two to three months to lose 10 pounds.
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Studies show that intermittent fasting can be a very powerful weight loss tool. A 2014 review study found that this eating pattern can cause 3–8% weight loss over 3–24 weeks, which is a significant amount, compared to most weight loss studies (1).
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Weekly Exercise Guidelines for Weight Loss They advised that you get between 150 and 250 minutes of moderate to vigorous exercise each week to lose weight. 1﻿ That's roughly 22 to 35 minutes of exercise per day to lose weight. But they also state that more is better.
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Weight training results are almost instant, although you may not see the results as quickly as they are happening. It could be up to four weeks before you see an increase in muscle size. If you are trying to lose weight, you should aim for losing about two to three pounds per week.
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How quickly will you lose weight? The volunteers reduced their waist sizes by an average of 1 inch for every 4lb (1.81kg) they lost. So if you lose 1lb (0.45kg) a week you could hope to reduce your waistline by an inch after four weeks.
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The 3-Day Diet is a quick weight-loss diet that promises to help people lose 10 pounds in three days. “You follow a specific food plan for three days, then wait four to five days before starting again,” says Marisa Moore, RD, LD, a spokesperson for the American Dietetic Association.
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"For someone who has started exercising three times a week and eating a healthier diet, they may expect to lose one kilogram in 1½-2 weeks," he said. "This is also dependant on the type of exercise they are performing and the duration and intensity of their training."