However, calorie intake should not fall below 1,200 a day in women or 1,500 a day in men, except under the supervision of a health professional.
In addition, consuming as few as 800 calories daily may not give you the energy you need for daily living and regular physical activity, especially if you eat the same foods every day. Talk to your doctor or dietitian to make sure you get the nutrients you need while on a very low-calorie diet.
Overall, however, one can not live long on 500 calories a day. A popular 500-calorie diet plan is a version of intermittent fasting. It is called the 5:2 plan and means you eat a normal healthy diet 5 days a week and then only 500 calories on two non-consecutive days of the week.”
If 1,200 calories a day is more than 500 calories lower than your weight-maintenance calories, you can expect to lose more than 1 to 2 pounds per week. If it's less, then you might lose fewer pounds a week.
You will lose up to 10 pounds (4.5 kgs) if you consume 800 calories and exercise regularly. Make sure your doctor or nutritionist is aware of your diet pattern.
The people assigned to the 1,000 calorie diet lost more weight than the 1,500 calorie group. However, other studies show that while consuming 1,000 calories a day may result in significant weight loss, most people cannot sustain it and often experience significant weight regain .
However, calorie intake should not fall below 1,200 a day in women or 1,500 a day in men, except under the supervision of a health professional. Eating too few calories can endanger your health by depriving you of needed nutrients.
If you're not losing weight in a calorie deficit you may need to adjust your stress levels, diet, and sleep patterns. Other reasons for weight gain during a calorie deficit are hormonal changes, aging, and other health conditions.
Some research suggests that the average female can limit their daily caloric intake to 1,500 calories or less to drop 1 pound per week.
The rapid weight loss phase involves eating 800 calories a day. The key to feeling satiated, while restricting calories, is to consume a moderately low-carb Mediterranean-style diet, rich in protein, fibre and healthy fats.
Short-term risks of eating 1,000 calories a day may include dizziness, hunger, gallstones, nausea, fatigue, headaches, and nutrient deficiencies. It can lead to nutrient deficiencies, slow metabolism, and make bones weaker if you exercise along with a low-calorie diet.
Undereating may cause weight gain for some people, but even if it doesn't, it's important not to eat so little that it adversely affects your health. From constipation to immune dysfunction, not eating enough can lead to a host of health issues.
So, if you're eating 1,200 calories and not losing weight, it could be that your body is really struggling to function on so little fuel and your metabolism is not functioning well enough to respond to a deficit in the way you'd like.
If you can eat 500 fewer calories every day, you should lose about a pound (450 g) a week. Always talk with your health care provider to determine a healthy weight for you before starting a weight-loss diet.
When you cut your food intake to 1000 calories and below, your body is forced to break down muscle so that it can provide your body with energy since your food intake does not provide it with enough energy. This results in a person losing their muscle and affects their metabolism as we've just highlighted above.
A calorie deficit is when you are consuming fewer calories than you are burning over time. For example, if you burn 2000 calories a day but only consume 1500, you'll be in a 500 calorie deficit. Another example of a calorie deficit is consuming 2000 calories for a day but burning 2500.
Some health conditions may be the reason why you are in a calorie deficit and not losing any weight. These mainly include hormonal imbalances such as hypothyroidism, illnesses that affect insulin response and glucose metabolism, such as diabetes, or a mix of the two.
You Slow Your Metabolism
Because you're not taking in enough calories, your body slows down your metabolism in an effort to conserve energy. You might feel sluggish and cold and have gastrointestinal abnormalities, such as constipation.
Effective At Weight Loss
If you need to shed pounds fast and don't expect the long-term result, the 1000 calorie meal plan may help you with that. As mentioned at the beginning of this article, this diet can help you lose 2-3 pounds (1-1.5 kg) a week, which is quite fast.
An aggressive calorie deficit is anything more than 30% of your current maintenance calories.