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.
To burn the additional 31,000 calories in 48 hours, you need to run for about 2,720 minutes, which equates to 45 hours. Thus, to possibly lose 10 pounds in 2 days, you have to eat nothing, rest for only 3 hours, and run for 45 hours!
Technically, it is possible to lose 5 pounds in 3 days with so-called “detox” diets. However, it is unhealthy for your body. That is why even if a meal plan seems to be simple and effective, it is important to consult a dietitian to prevent unwanted consequences for your health.
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.
Drinking Water Can Make You Burn More Calories
Drinking water increases the amount of calories you burn, which is known as resting energy expenditure ( 4 ). In adults, resting energy expenditure has been shown to increase by 24–30% within 10 minutes of drinking water.
While fasting for 3 days is relatively safe for most people, it can be quite dangerous for some people. These exceptions include (9): Patients with diabetes, as it can lead to dangerous dips and spikes in blood sugar. Pregnant women, new moms, or breastfeeding women.
A 60-minute exercise per day is crucial. Whether it is running for 20 minutes three times a day or an hour on the elliptical machine, your body requires to burn about 1700 calories (more than you consume per day) to lose weight in three days. As many activities as you indulge in, the more calories you will burn.
It can help with weight loss
Fasting one or two days a week may be a way for you to consume fewer calories over time. You may find this easier to do than cutting back a certain number of calories every day. The energy restriction from a 24-hour fast may also benefit your metabolism, helping in weight loss.
To lose 10 pounds in 3 days would mean decreasing your calorie intake by 35,000 calories in just 3 days! The Academy of Nutrition and Dietetics recommends a slow and steady weight loss of no more than 1/2 to 1 pound a week. Otherwise you are losing muscle and water, as well as weakening your bones.
In order to lose 5 pounds of fat in 2 days, you would need to have a calorie deficit equal to 2.5 lb. per day. Using the frequently-quoted 3,500 calories per pound, this would mean you would need a deficit of 8,750 calories.
Unintentional weight gain occurs when you put on weight without increasing your consumption of food or liquid and without decreasing your activity. This occurs when you're not trying to gain weight. It's often due to fluid retention, abnormal growths, constipation, or pregnancy.
Eating too few calories can be the start of a vicious cycle that causes diet distress. When you cut your calories so low that your metabolism slows and you stop losing weight, you probably will become frustrated that your efforts are not paying off. This can lead you to overeat and ultimately gain weight.
You'll lose weight
“You will likely lose more water weight than actually fat as your body uses its glycogen stores for fuel before dipping into actual fat,” she says. “As you release glycogen, you lose water and that is usually the reason for the rapid weight loss.
Our stomachs haven't been growling and we felt surprisingly satiated after a cup of tea at 4 PM. But, we weren't holding our breaths. From what we've heard, Day 2 is usually the hardest on a 3-day fasting journey. This seems to ring true even during a longer 7-day or 14-day fast.
Intermittent fasting is a convenient way to lose weight without counting calories. Many studies show that it can help you lose weight and belly fat.
The 72-h fasting induced significant decreases in glucose level, body weight, and an increase of ketone bodies that confirmed successful fasting of the volunteers. In addition, the median of BDI-2 increased significantly (4 vs. 7, p = 0.006).
Lemon water can promote fullness, support hydration, boost metabolism, and increase weight loss. However, lemon water is no better than regular water when it comes to losing fat. That being said, it is tasty, easy to make, and can be used as a low-calorie replacement for high-calorie beverages.