On a very low-calorie diet you are encouraged to eat less than 800 calories a day (13). In some extreme cases, this number could reach 500 calories. Such a daily calorie intake is too low and can be dangerous to your health. As such, you are urged to start such a diet plan with medical supervision and approval only.
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.
Losing weight the healthy way — slowly — takes time, so don't plan to drop 25 pounds in as little as two weeks. At one to two pounds per week, losing 25 pounds will take you a little more than 12 weeks, or three months.
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.
Reducing your calorie intake, cutting back on processed foods, eating more protein and fiber, and drinking plenty of water throughout the day can all help you lose 30 pounds.
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.
To do this, you should reduce your daily calorie intake by 500 to 700 calories, as well as engage in appropriate exercise to burn calories. If you have 30 days to attain your target, you will need to cut or burn 1,750 calories per day.
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.
The table below lists prescription drugs approved by the FDA for weight loss. The FDA has approved five of these drugs—orlistat (Xenical, Alli), phentermine-topiramate (Qsymia), naltrexone-bupropion (Contrave), liraglutide (Saxenda), and semaglutide (Wegovy)—for long-term use.
Raw paleo diets
One of the most extreme versions is “raw paleo” in which only uncooked foods are allowed. Because so many foods are excluded, these diets are unbalanced and cannot be recommended.
“On a day you don't eat for 24 hours, you're guaranteed to be losing a third or half a pound of non-water weight that's mostly from body fat,” Pilon told Global News.
Yes, technically it is possible for you to lose 15 pounds in 2 weeks, however, attempting to do this is highly discouraged by dietitians and doctors alike.
Health professionals recommend losing 1-2 pounds weekly (21). Therefore, the perfect answer to how long does it take to lose 30 pounds safely is a minimum of 15 weeks to about 30 weeks.
Running is the winner for most calories burned per hour. Stationary bicycling, jogging, and swimming are excellent options as well. HIIT exercises are also great for burning calories. After a HIIT workout, your body will continue to burn calories for up to 24 hours.
The truth is that, for you to lose 30 pounds in 30 days, you would need to lose 1 pound a day for 30 days and this, again, is impossible. Here is how to look at it: On average, a normal man or woman looking to maintain his or her weight consumes 2500 or 2000 calories, respectively, a day.
It's important to note that losing 100 pounds will likely take at least 6 months to a year or longer. Most experts recommend a slow but steady rate of weight loss — such as 1–2 pounds (0.5–1 kg) of fat loss, or around 1% of your body weight, per week (43).
Eating more protein can reduce the number of daily calories you need to consume. Eating high-quality protein can also cut down on the number of calories it has consumed. High-protein foods include eggs, cheese, yogurt, eggs, and peanut butter, as well as breakfast cereals and cereals.