Most diets and supplements that promise to lose weight quickly will not give you lasting results. To lose 5 pounds of fat in 2 days, you would need to have a calorie deficit equal to 2.5 lb. If you use the frequently quoted 3,500 calories per pound, this would mean you would need a deficit of 8,750 calories. It's not physically possible to lose 11 pounds of body fat in 2 days.
Even ten days would be exceeding the limits of what is possible. Rapid weight loss is almost always reduced to fluctuations in cellular water. Although losing 1 pound (0.5 kg) of body weight can be difficult, losing 1 pound (0.5 kg) of water weight per day is much more realistic. Losing 1 pound (0.5 kg) per day means dramatically reducing calorie intake and increasing physical activity.
Even so, while it is possible to lose one pound (0.5 kg) of body fat per day, it would be necessary to drastically limit food intake and increase physical activity. But while you may not be able to lose 5 or 10 pounds in two or even three days, there are some lifestyle changes you can introduce that will make a big difference in how you look and feel. While theoretically possible, losing 1 pound (0.5 kg) of body fat per day would require you to significantly increase your physical activity and limit your food intake. Therefore, aiming to lose about 1 to 2 pounds (0.5 to 0.9 kg) of weight per week by making changes to your diet and lifestyle can be more realistic, sustainable and healthy in the long run.
You can't safely lose 15 pounds in three days), and the weight you lose in one day is likely to return quickly. Although it is not possible to lose large amounts of weight quickly, losing one to two pounds may be reasonable. To lose 5 pounds in a day, focus on reducing water weight by limiting salty and starchy foods, drinking plenty of water to clean your system, and sweating with exercise. I think (I hope) this will show you how incredibly ridiculous and perhaps dangerous it is to lose massive amounts of weight in short periods of time.
In fact, if you don't eat or drink anything and take the right dose of diuretics, you can probably lose 11 pounds in less than 24 hours. It works by restricting your daily calorie intake, and a website dedicated to providing dietary information further claims that it can help you lose 30 pounds in just one month. It's impossible and terrible to lose 10 pounds in 2 days, as you need more time to reach your goal of 10 pounds. So even if you hate math, stick with me because this will help you avoid wasting 48 miserable hours of your life just to lose what equals 11 pounds of WATER.
While it may not be healthy or safe for most people to lose 1 pound (0.5 kg) per day, there are several strategies that can help you achieve safe and effective weight loss in the long term. Health is the most important thing to remember when it comes to finding ways to lose 3 pounds in 2 days if you want to succeed.