What Happens If You Eat Over 500 Calories on the HCG Diet

The hCG diet is a very low-calorie diet usually a range of 500 to 800 calories per day, that is used in conjunction with supplemental hCG injections as a means to stimulate weight loss.

By: Brene Brown, Published on: 2023-11-06, Last Updated: 03-08-24

Reviewed by: Emily Morse

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The HCG diet is a popular weight loss method that has gained attention over the years. But like any diet, it comes with its own set of guidelines, most notably a strict calorie limit. Understanding these guidelines and their significance is essential for anyone considering or currently following the HCG diet. In this article, we'll talk about what happens if you eat over 500 calories on this diet, the potential consequences, and ways to avoid going over your calorie limit.

What is the HCG diet?

The HCG diet is based on the use of Human Chorionic Gonadotropin (HCG), a hormone produced during pregnancy. Dr. Albert T. W. Simeons, a British physician, introduced the HCG diet in the 1950s, believing that a combination of HCG injections and a very low-calorie diet could lead to significant weight loss.

The diet typically lasts for a few weeks and involves two main components:

  • Daily injections or consumption of HCG

Following a strict diet that limits the daily calorie intake to just 500 calories.

This mix helps reduce hunger, making it simpler to stick to your calorie limit, and encourages burning fat instead of muscle.

Why is it important to stay within your calorie limit on the HCG diet?

The 500-calorie limit is not just a random number. This specific amount is believed to optimize weight loss when combined with HCG. Here's why adhering to this calorie limit is crucial:

Maximizing Fat Loss: The low-calorie intake forces the body to utilize stored fat for energy. With the help of HCG, the body targets fat deposits rather than muscles.

Appetite Control: HCG is believed to help control hunger pangs. Exceeding the 500-calorie limit might counteract this effect and make one feel hungrier.

Consistent Results: The HCG diet promises rapid weight loss. To achieve consistent results, it's vital to stick to the guidelines.

What Happens If You Eat Over 500 Calories on the HCG Diet?

Choosing to exceed the 500-calorie limit while on the HCG diet might seem harmless at first, but there are several consequences to be aware of:

You may not lose weight: The primary goal of the HCG diet is weight loss. By consuming more than the recommended 500 calories, you reduce the calorie deficit, making it harder to shed those unwanted pounds and you may not lose weight.

You may gain weight: It might sound surprising, but consuming just a few hundred calories more than the recommended limit can lead to weight gain, especially since your body is accustomed to a very low-calorie intake.

You may experience hunger and cravings: Overeating can cause your blood sugar levels to fluctuate, leading to increased hunger and cravings later on. This can make it challenging to get back on track the following day.

You may experience fatigue and headaches: Consuming more calories, especially from processed or sugary foods, can lead to a quick rise and fall in blood sugar. This can result in feelings of fatigue, dizziness, and headaches.

You may disrupt your metabolism: The HCG diet aims to reset your metabolism. By consistently eating over the 500-calorie limit, you might interfere with this reset, leading to potential long-term metabolic issues.

How to Avoid Eating Over 500 Calories on the HCG Diet

Sticking to the 500-calorie limit can be challenging, but with proper planning and tracking your calories on a regular basis, it's achievable. Here are some tips to help you stay on track:

Plan your meals ahead of time: Knowing what you'll eat for the day can help you avoid making impulsive food choices.

Track your food intake carefully: Use a food diary or a mobile app to log everything you consume. This keeps you accountable and aware of your daily calorie count.

Use a food scale to measure your food portions: Estimating portions can lead to inaccuracies. A food scale ensures you're consuming the right amount.

Avoid processed foods and sugary drinks: These often contain hidden calories and can quickly push you over your daily limit. Stick to whole, natural foods for the best results.

Eat plenty of fruits, vegetables, and lean protein: These foods are nutrient-dense and can make you feel full without consuming a lot of calories.


The HCG diet, while intriguing and promising rapid weight loss, is not without its challenges. The strict 500-calorie limit is central to its design, aiming to work synergistically with HCG to promote fat loss while preserving muscle. However, as with any diet, adherence and understanding are key. Straying from the recommended calorie intake can lead to a slew of potential problems, from halted weight loss to metabolic disturbances.

It's crucial for anyone considering or currently on the HCG diet to be informed and prepared. With careful meal planning, accurate tracking, and a commitment to whole, nutritious foods, it's possible to navigate the HCG diet successfully and see the desired results.

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