how much weight can you lose by intermittent fasting?
17104
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).
1060791
Our LifeOmic employees lost an average of 5.5 pounds over the course of a 5-day fast, or an average of a little over 3% of their body weight. The percentage of weight loss range was from 1.5% to nearly 7% body weight loss over the course of five days.
75734
In this respect, it's not a diet in the conventional sense but more accurately described as an eating pattern. Common intermittent fasting methods involve daily 16-hour fasts or fasting for 24 hours, twice per week.
1216618
Alternate-day fasting is one way to do intermittent fasting. On this diet, you fast every other day but eat whatever you want on the non-fasting days. The most common version of this diet involves “modified” fasting, where you can eat around 500 calories on fasting days.
7957
Just make sure you aren't going below 1,200 calories a day. The only exception is if you are doing the 5:2 method: five days a week you eat normally (for example, 2,000 calories a day) and two days a week on your fasting days, you eat only 20 to 25 percent of your average calories (so 400 to 500 calories).
580368
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 ).
1373843
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.
1031223
You are allowed to consume 20–25% of your usual calorie intake (about 500 calories) on a fasting day. The 16/8 Method (also called the “Leangains method”): Fasting for 16 hours a day and eating all calories within an eight-hour window. Women are advised to start with 14-hour fasts and eventually build up to 16 hours.
1330027
But if you stick with a set intermittent fasting schedule or fasting duration for 2-3 weeks, you should adapt and have similar energy levels during your fasting windows or days as during your eating windows or days.
235485
For some, following IF is an easier way to cut calories and lose weight than simply following a traditional calorie-restricted diet. So if you can't hit the 1,500- or 2,000-calorie mark in 4 hours every day, it's OK. If falling below 1,200 calories a day becomes a regular habit, though, reconsider your diet plan.
94900
Because we don't enter the fasted state until 12 hours after our last meal, it's rare that our bodies are in this fat burning state. This is one of the reasons why many people who start intermittent fasting will lose fat without changing what they eat, how much they eat, or how often they exercise.
1339263
Some people fast on alternate days to improve blood sugar, cholesterol, and weight loss. A person on the 5:2 method eats 500 to 600 calories on two non-consecutive days each week. Some alternate-day fasting regimens add in a third day of fasting each week.
675491
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 ).
1428059
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.
467487
There are several different versions of this method. Some of them allow about 500 calories during the fasting days. Many of the test-tube studies showing health benefits of intermittent fasting used some version of this method. A full fast every other day can seem rather extreme, so it's not recommended for beginners.
171053
This way of doing intermittent fasting involves daily fasting for 16 hours. Sometimes this is also referred to as an 8-hour eating 'window. ' You eat all your meals within an 8-hour time period and fast for the remaining 16 hours. Generally, this is done daily or almost daily.
84455
The Research So Far A systematic review of 40 studies found that intermittent fasting was effective for weight loss, with a typical loss of 7-11 pounds over 10 weeks. [2] There was much variability in the studies, ranging in size from 4 to 334 subjects, and followed from 2 to 104 weeks.