Calorie Deficit Explained: How It Works for Fat Loss
Weight loss often comes across as a riddle which is wrapped in mystery. However, the truth is governed by a simple biological equation and understanding the calorie deficit is the shortcut to clarity. Fat loss is not related to deprivation or restriction, it’s about managing energy in a strategic manner.
What Is a Calorie Deficit? (Simple Explanation)
A calorie deficit takes place when the body is provided with less energy than it actually needs to maintain and support the current weight. This gap, which is formed, forces the body to look inward for fuel, which then taps the stored energy, primarily body fat to make up for the difference. In the real world, if a body needs 1500 calories to function adequately, but, the individual eats only 1200 calories, then a deficit of about 300 calories is created.
How a Calorie Deficit Helps You Lose Fat
A calorie deficit works as a mandate for weight loss by shifting the energy source of the body from external foodstuff to internal reserves. Each physical action such as supporting heartbeat to physical exercises requires a certain amount of energy. When one consumes fewer than the required minimum amount the body is forced to initiate the process of utilizing stored adipose tissue, which is known as body fat. Furthermore, through a number of hormonal signals, the body starts to breakdown these fat cells into usable glycerol and fatty acids which are released into the blood to be used as fuel, which in turn helps in weight reduction. While the quality of nutrition plays an important role in muscle prevention, satiety and general health, the calorie deficit by itself is the physiological requirement for weight loss. This helps to transition from haphazard dieting to a science backed approach of body transformation.
How to calculate your calorie deficit?
Determining personal calorie deficit refers to the process of finding out the specific balance between the energy one’s body consumes and the energy that the body burns to fuel daily life and carry out the daily activities.
Firstly, one needs to find the maintenance calories (TTDE, which is the total daily energy), this is the calories which one needs to consume on daily basis in order to maintain his current body weight. You can measure this based on ones activity level:
No activity- multiply bodyweight with x 22-24
Moderate activity- multiply the bodyweight with x 26-30
Very active – multiply the bodyweight with x 30-35
This method should be used in order to find the maintenance calorie intake of a person.
Secondly one needs to create a calorie deficit goal this range should be 300-500 for beginners which may increase gradually once there is steady weight loss. Aggressive deficit can lead to no progress and no weight loss, so it is recommended to consume calories in the appropriate range.
Thirdly one should track their portion size and weigh their food using weighing scale. Portion tracking is extremely important while consuming a deficit. One needs to be consistent in order to reap the benefits and have visible changes. One should track weight on a weekly basis and if no change is observed, the calorie deficit or activity level should increase. Keep adjusting calorie intake as one loses weight and avoid eating an aggressive deficit.
Safe calorie deficit for beginners
A safe calorie deficit is which promotes steady weight loss without causing excessive hunger or tiredness or any nutrient deficiencies. One should start with 300-500 calories deficit everyday, it is safe and effective. One should gradually eat less calories and consume more protein & fibre. This range leads to steady weight loss and avoids muscle loss or any nutrient deficiencies. It is easy to maintain this deficit as well as supports energy levels. Moreover, one should not skip any meals, as skipping meals may lead to sudden hunger strikes leading to overconsumption of calories and deteriorating overall health. One should start with a moderate 300 calories deficit and avoid rushing the process, as weight loss does not happen overnight. One should consume a diet rich in fibre and protein in order to feel full and avoid hunger strikes. Staying hydrated is also very important as it may make one feel full for a long period of time. Progress should be tracked on a weekly basis and not daily. If symptoms like extreme fatigue, mood swings, dizziness are experienced, it suggests that the deficit is too aggressive, one should increase their calorie intake slightly and track their portion sizes. Slight hunger but still functional and energetic, suggests that deficit is in the proper range.
Common mistakes while cutting calories
While following a calorie deficit, one can make some mistakes which can hinder weight loss or stop progress altogether.
1) Severely restricting calorie intake
Reducing calorie intake initially seems to work but often has a lot of setbacks. Consuming lesser calories has several drawbacks, which can hinder with one’s weight loss. Drastically reducing calorie intake overnight can lead to slow metabolism and fatigue. Additionally, it may also lead to muscle loss as the calorie intake has been dropped suddenly.
2) Lack of protein in the diet
Incorporating protein in one’s daily diet is essential for overall health. Protein is crucial for muscle growth and supports recovery. Additionally, protein promotes satiety, helping to reduce hunger.
3) No portion control
Even healthy foods like nuts, beans and fruits should be consumed in appropriate quantities. Overeating these foods can also add up more calories, moreover stalling progress. One should measure portion sizes instead of estimating in order to avoid errors.
4) Underestimating Calories from Liquids
It is often forgotten that beverages such as fruit juices, sodas, even coffee add to the daily total. As liquids do not provide the same feeling of satiety as other solid foods, individuals tend to consume many extra calories without even realizing.
5) Skipping meals
One often thinks that skipping meals may lead to lesser calorie intake. People often skip breakfast and think that they are consuming lesser calories. Skipping meals may lead to hunger and then loss of control, making one overeat in the next meal. This can lead to inconsistency and tough to track progress.
6) Overestimating calories burned during exercise
Many gym machines and fitness trackers tend to overestimate the amount of calories burned during exercise. If an individual believes he burned about 500 calories (incorrectly estimated) in a workout exercise and as a reward may eat an extra 300 calories as a reward, he will bring himself back to the maintenance level, or even result in weight gain.
One should avoid these common mistakes in order to reap the benefits of a calorie deficit. By maintaining a balanced approach and by focusing on proper diet, consistency, realistic expectations- individuals can achieve sustainable weight loss without compromising on their energy levels, muscle mass, or overall health.
FAQs about calorie deficit
How many calories should you be in deficit?’
A daily calorie deficit of 300-500 calories is considered a healthy and sustainable approach towards weight loss.
How does one know when they are eating in a calorie deficit?
If one is consuming a healthy calorie deficit, one may feel slight hunger. One can increase the fullness by consuming a rich protein diet or high in fibre diet in order to feel more full. Symptoms like low energy, mood swings, headaches and mild dizziness can be felt during a calorie deficit.
Will I feel hungry all the time?
Slight hunger can be felt during a deficit. This slight hunger can also be reduced by consuming a rich protein diet, diet rich in fibre and more of whole foods. Drink more water and staying hydrated can also help in preventing these symptoms.
Should I count calories everyday?
It’s not necessary to track calories everyday. Some people feel tracking can help them while others eat mindfully and in appropriate portions.
Do I need to track each and every calorie?
While one does not need to track forever, doing this for some time can result to be an eye opening exercise. A lot of people underestimate calories which are “hidden” in snacks, sauces, and cooking oils. Once an individual has a better idea of energy density, and portion sizes, one can transition to a much more calm and mindful eating approach.
Why am I not losing weight in a calorie deficit?
There are some possible reasons which could affect weight loss on a calorie deficit, like underestimating calorie intake, not measuring portion size accurately can ruin the purpose of the deficit. Moreover, water retention and inconsistent tracking of calories may also lead to no weight loss during a calorie deficit.
Author:
Sidra Patel
Nutritionist & Lifestyle Consultant
Founder: Eating Smart with Sidra Patel
www.eatingsmart.in