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What exactly is a Calorie Deficit?

Updated: Jan 10, 2023

A calorie deficit occurs when a person's daily calorie intake is less than their daily calorie expenditure. Every day, the body requires a certain number of calories to perform all of its functions.


How Much Should Your Calorie Deficiency Be?

A 200-500 calorie deficit per day is a good starting point for healthy weight loss and when doing a calorie deficit you never want to go to low. You want to do something that is sustainable “ directly after . This should put you on track to lose 1 pound per week. This is based on a daily calorie intake of at least 1,200 to 1,500 for women and 1,500 to 1,800 for men. It can be harmful to consume less than that amount of food per day. Consult your doctor about the bare minimum of calories you require.

Remember that you may not require a calorie deficit at all. It is only necessary if you want to lose weight for medical or other reasons. Always consult your doctor before beginning a weight loss program, especially if you have other health issues.


The number of calories a person requires each day is determined by their:
  1. height

  2. weight

  3. sex

  4. age

  5. physical activity levels

There are various techniques for losing weight. However, regardless of which lifestyle change, diet plan, or exercise regimen you choose, you must understand that they are all related to calories in and calories out.

Calories are strongly linked to weight loss. Understanding how calories work in your body is therefore critical to your weight loss success.

If you understand what a caloric deficit is and how to use it to your advantage in your weight loss journey, you'll be able to better structure your diet, lifestyle changes, and exercise to achieve your goals in a more efficient and safe way.

But don't be mistaken: calories may be the best increment to monitor weight loss, but nutrients, sleep, and hormone levels are also important and fundamental factors in weight loss that you should be aware of.

What is a Caloric Deficit?

A calorie deficit occurs when you can burn more calories than you consume in a day. This means you'll need to exercise more and eat less.

If you exercise less on certain days, you must eat less on those days. Caloric surplus is the inverse of this.

This is when you consume more calories than you can burn in a day. This results in weight gain. This is how you work it out.

Calories Consumed < Calories Burned = Caloric Deficit

Calories Consumed > Calories Burned = Caloric Surplus


If you consume 3000 calories but only burn 2000 calories, you have a caloric surplus of 1000. This will result in a 1 kg weight gain on that day.

However, keep in mind that there are correct and incorrect ways to achieve caloric deficits, and if you don't approach it safely and properly, it can have a negative impact on your health.


Performing It Safely


Though a caloric deficit may appear simple on paper, it does not imply that you should immediately begin eating less and training like there is no tomorrow.

The human body requires a certain number of calories to function properly and to provide energy for the brain to think and the body to perform simple everyday tasks.

Though you may want to limit your calorie intake during your weight loss period, make sure you're still getting enough to stay healthy.

Because everyone is unique, it's critical to understand the advice of your dietitian, medical health practitioner, or fitness instructor, if you have one.

Some things you should and should not do when embarking on a caloric deficit diet.

You Should:

Get plenty of sleep.You may feel unusually tired or fatigued during this time. Make sure you rest and sleep because you aren't getting as many nutrients as you normally would and are doing more physical activity to burn calories. Save as much energy as possible.

  • Keep hydrated.

It is critical to stay hydrated during this time to support the brain, muscles, joints, and bones.

  • Consume nutrient-dense foods.

Choose the right foods when you do get the chance to eat. You can eat foods that make you feel full but are low in calories. Stick to low-calorie foods that are high in vitamins and minerals. Fruits, vegetables, lean meats, and supplements are ideal for any diet.

  • Keep track of what you eat and how much you exercise each day.

Calculate the number of calories you burn and consume. You'll be able to know your limit, plan your meals and training, and track your progress this way. Many online apps can assist you with this.

  • Strengthen your muscles.

Because caloric deficits are very energy consuming, developing muscles during caloric deficits will give you more strength in the long run, making your caloric deficit easier to handle. Building muscle will also help you lose fat faster by increasing your metabolism if that is your goal.

You Shouldn’t

  • Make no assumptions.

Keep track of your calorie intake and expenditure. Your results will vary if your calculations are not precise. You might end up eating too much or cutting out far too many calories to be considered healthy. To ensure you're doing it correctly, download an app or record your progress.

  • Perform it as needed.

If you consider yourself to be healthy and are unsure whether you need to be in a caloric deficit or surplus, calorie maintenance is the best option for you. This means you maintain the same number of calories burned and consumed. There is no reason to eat or train more or less than necessary.


Always keep the primary goal of caloric deficits in mind. It should not be viewed as a means of losing weight, but rather as a means of improving your overall health.

If a caloric deficit results in nutrient deprivation or decreased strength and brain function, you're either doing it wrong or shouldn't be doing it at all.

Calorie Calculator

Calculate the number of daily calories your body requires to maintain your current weight using the calorie calculator.



To that end, if you want to lose weight, counting calories is the best way to implement and track your diet and exercise plan. Because every person and body is unique, seek the advice of a dietician or medical practitioner.

 
 
 

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