No, it is not safe. A month is not enough time to lose so much weight. 20 pounds in a month is a drastic weight loss that can lead to health issues. The healthy amount of weight loss in a month is between 4-8 pounds a month.
While losing 20 pounds in a month is possible, losing weight too quickly often comes with a metabolism that slows down, increased cravings, and risks that include muscle loss, gallstones, increased (or decreased) hormones, and nutritional deficiencies. It's much healthier to lose weight at a sustainable, slow rate.
It is possible to lose 20 pounds of body fat in 30 days by optimizing any of three factors: exercise, diet, or drug/supplement regimen.
That burns an extra 3,500 calories per week. Since there are about 3,500 calories in one pound, it would take you one week to lose one pound and 20 weeks to lose 20 pounds.
On average, a 15 to 20-pound loss (approximately 2 to 5 percent of your starting body weight) is enough to notice "significant changes in your body," he said. You can start seeing differences in yourself as early as two weeks with rapid weight loss.
A high-protein, low-carbohydrate diet is the most effective diet for promoting weight loss and reducing hunger, at least in the short term, according to scientists at Aberdeen's Rowett Research Institute.
According to the Centers for Disease Control and Prevention (CDC) , it's 1 to 2 pounds per week. That means, on average, that aiming for 4 to 8 pounds of weight loss per month is a healthy goal.
Its simple. You need to burn more calories than you consume every day for losing weight and fat.
On average, a person can lose anywhere from 4 to 8 pounds in 30 days. This is in line with the CDC guidelines that suggest that a gradual and steady loss of 1 to 2 pounds a week is what is best and sustainable for long-term weight loss (11).
Losing 5 pounds in a week is doable, that doesn't mean you should do it. It's still safest to stick to the expert-recommended pace of one to two pounds of weight loss per week, according to the Mayo Clinic [4].
Fast weight loss, such as losing 10 pounds in a week, is possible — but it's usually not worth it. In fact, it could be detrimental to your physical and mental health. In reality, plans and programs that promise rapid weight loss or extreme results are best avoided.
One pound of fat is roughly 3,500 calories. If you do the math, you'll burn 20 pounds of fat in 4 weeks by not eating. But, while the answer to how much weight can I lose in 4 weeks is over 20 pounds, it is not a sustainable or healthy way to lose weight.
For maximum weight loss, aim for 150 to 300 minutes of cardio per week, or about 20 to 40 minutes per day. Walking, running, skipping rope, rowing, and boxing are easy and enjoyable cardio exercises that can accelerate weight loss.
The 30 Day Shred program promises weight loss of up to 20 pounds (9 kg) in a month. This may be unrealistic for most people. Though the daily 20-minute workouts may aid weight loss and heart health, the program lacks nutrition guidance, may be too intense for some, and focuses on short-term results.
I fasted for as long as I could, then after that it was just clear soups, grapefruit juice, skim milk, and salads." Paul shed a little over 355 pounds (161 kg) in 7 months, dropping from 487 to 130 pounds (221 to 59 kg). His achievement was recognized by The Guinness Book of World Records.
The bottom line. Although it may be 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.
We recommend losing no more than 1 to 2 pounds per week for sustainable weight loss, which means you could potentially lose 10 pounds in five weeks. However, a more realistic timeline is 10 to 24 weeks, since most people don't have hours to devote to walking every day.
You can safely lose up to 10 pounds in just a month. While this will not be easy, it is doable if you commit. According to the 2015-2020 Dietary Guidelines for Americans, in order to lose body weight, people may need to reduce the number of calories they consume and increase their physical activity.