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What is GM Diet And How to Effectively Lose Weight With This

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Our content undergoes a rigorous editorial process, including fact-checking and clinical review by qualified medical experts.
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Nebadita (Diet & Health Expert), M.S
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Laine Greenawalt
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by   Laine Greenawalt
Laine Greenawalt ✔ Verified Expert
Laine Greenawalt is a Registered Dietitian passionate about assisting athletes of all ages, shapes, and sizes attain their most attainable via ideal nutrition. She has…
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—Written by   Nebadita (Diet & Health Expert), M.S
Nebadita (Diet & Health Expert), M.S
Nebadita is experienced in the field of nutrition, health, fitness, and more. Nebadita earned Master Degree from National Institute of Nutrition, Hyderabad and currently serving in the Eastern branch of ICMR. Know More. Learn about our editorial process..
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Updated on April 11, 2026
Why This Was Updated
We continuously monitor the health landscape and update our articles to reflect the latest evidence.

Updated on April 11, 2026

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—Published on August 3, 2020
Our editorial process ensures that the information we provide is well-researched and reliable. Learn about our commitment to quality in our editorial policy.
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The Fast Facts

  • This diet was developed primarily by General Motors, a US company, in collaboration with the Food and Drug Administration and the Department of Agriculture of the United States for its employees.
  • General Motors claimed that the GM diet is helped for employees to lose weight and be more productive, but there is no documentation about the success percentage.
  • Through this diet a positive increased in the efficiency have been found in the workers along with boost in confidence and energy.
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Today everyone want to lose weight and look slim trim but due to lack of proper diet they failed to achieve their goal of weight loss. Also, people try different types of diet plans but they do not get satisfactory results. But here is a special diet plan for you, which called “GM” diet. Through which, you can reduce weight within a few days.

What is GM Diet?

GM i.e. “General Motors” diet plan was discovered in 1985. This diet was developed primarily by General Motors, a US company, in collaboration with the Food and Drug Administration and the Department of Agriculture of the United States for its employees.

This diet plan was created to improve workers’ better health and productivity. The results of this diet proved to be very impressive. Through the GM diet plan you can lose up to 4 to 8 kg of weight within a week.

Through this diet a positive increased in the efficiency have been found in the workers along with boost in confidence and energy. Therefore, this diet achieve an major success at that time. As a result millions of people adopted this diet for its easy and effective pattern. This diet does not include any ingredients that are very difficult to find in the market, nor does it require any special routine.

GM diet is recommended to reduce weight due to its characteristics. Let see how this diet plan burns accumulated fat in our body.

How It Help In Weight Loss?

According to this diet plan, you have to consume fruits, vegetables, brown rice and chicken throughout the week. This diet mainly focus on carbohydrates, low calorie vegetables, fruits with plenty of water.

*Note – Always consult with your doctor before starting this diet plan.

Advantages and Disadvantages of GM diet.

Benefits of GM Diet.

Weight Loss.

The biggest plus point of this diet is that, its effective for weight loss! Most people drop between 3 kg to 6 kg in just one week.

Detoxification.

GM diet helps to flush out the toxins from your system. Because the diet is filled with fruits, vegetables and lots of water, it ensures that your system is completely detoxify after 7 days.

Read Now: 7 Easiest and Natural Ways to Boost Metabolism

Time Saving.

Because the diet is only seven days long and reduces weight rapidly, you stick to it. Also you can save lots of time for your other work.

Food To Look For.

  • Low salt and sugar.
  • Complex carbohydrates and fiber.
  • Lowers serum cholesterol levels.

Disadvantages of GM Diet/Side Effects of GM Diet.

However, there are many disadvantages of GM diet that you should keep in mind while following this diet, such as,

Restrictive Diet.

This diet is a highly restrictive diet. This allows you to consume only veggies and fruits in very limited quantities. This restriction can stop you and prevent you from continuing the diet plan.

Lack of Research.

General Motors claimed that the GM diet is helped for employees to lose weight and be more productive, but there is no documentation about the success percentage. Also, no independent research papers have been published in any scientific journal supporting this fact.

Nutritional Deficiencies.

GM diet quite restrictive when it comes to consuming different foodstuffs. So, as a result we may face lack of nutrients, which we found from each food group. Therefore, if you follow the this diet for a long time, you may become malnourished and feel weak.

Read Now: Plant Based Meat-Loaded with Nutrients
Muscle Loss.

The GM diet can cause muscle damage because it does not allow sufficient protein consumption and does not encourage vigorous exercise such as strength training. As you know, this diet is very restrictive with limited nutrients, all of this adds to muscle loss and can make you look thin.

Slow Metabolism.

When you consume very few calories and avoid strength training exercises, it causes a metabolic slowdown. This slowdown occurs because your body goes into survival mode, whereby cells store every piece of food as fat. Muscle loss also slows metabolism.

Weight Loss Is Not Permanent.

Finally, the GM diet will not help you to lose weight permanently. You will gain weight the sooner you lose it. Most fad diets that aid quick weight loss do not produce long lasting results. After completing 7 days of GM diet, start and follow 1200 calorie diet to stop weight gain.

Read Now: Breakfast Cereals: Healthy or not?

What To Do And What Not?

To get the most out of this diet, follow the dos and don’ts below;

  • You should drink a lot of water.
  • Do not consume alcohol.
  • Prefer salad, lemon, vinegar, herbs or other low-calorie flavors.
  • If you use oil, stick to extra virgin olive oil.
  • Restricted of use more than a teaspoon of oil.
  • You can’t cheat on a diet even for one meal/ day.
Read Now:  Top 10 Super Food for Rapid Weight Loss

Frequently Asked Questions.

1 Is GM diet safe for diabetics?

Yes, it is likely safe for diabetics. But it all depend on the body composition. Before going with this diet it is mandatory to consult with the doctor.

2 Is GM diet can be maintain during periods?

No, it is not recommended to go with this diet during periods. GM diet usually a diet where there is lack of balanced, healthy nutrition and during periods the body loss lots of blood due to which you may feel weakness. Some women may also fall sick during this period. Therefore, it is always suggested to discontinue this diet during the this period.

Bottom Line.

GM Diet is one of the excellent diet for the people who want to shred pound. It helps a lot to lose weight. If you maintain and stick to this diet for 7 days you will surely shred pound. Along with the GM Diet you have to do some physical activities, which will help you to lose more weight.

But every things has its pros and cons. So GM Diet has also. Sticking to this diet for constantly more than 7 days can hamper your immune system as well as lowers your metabolism.

Therefore, it is always recommended to go for a balanced diet along with some physical activity like yoga or exercise in regular basis. As it will help you to stay fit, active and healthy.

+2 Sources

Freaktofit has strict sourcing guidelines and relies on peer-reviewed studies, educational research institutes, and medical organizations. We avoid using tertiary references. You can learn more about how we ensure our content is accurate and up-to-date by reading our editorial policy.

  1. U.S Food nd Drug Administration; https://www.fda.gov/home
  2. U.S. DEPARTMENT OF AGRICULTURE; https://www.usda.gov/

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How we reviewed this article:

ⓘ SOURCES 🕖 HISTORY

FreakToFit follows strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and reputable medical organizations. We only use high-quality, credible sources to ensure the accuracy and integrity of our content.

    Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available.

    Current Version
    Apr 11, 2026

    Written By: Nebadita (Diet & Health Expert), M.S

    Reviewed By: Laine Greenawalt

    Aug 3, 2020

    Written By: Nebadita (Diet & Health Expert), M.S

    Reviewed By: Laine Greenawalt

    The dietary recommendations provided here are based on research and expert review. Individual needs vary — please consult a registered dietitian or nutritionist before changing your diet. Know More

    Nebadita (Diet & Health Expert), M.S

    Author
    Nebadita is experienced in the field of nutrition, health, fitness, and more. Nebadita earned Master Degree from National Institute of Nutrition, Hyderabad and currently serving in the Eastern branch of ICMR. Know More. Learn about our editorial process..

    Laine Greenawalt

    Dietitian
    Laine Greenawalt is a Registered Dietitian passionate about assisting athletes of all ages, shapes, and sizes attain their most attainable via ideal nutrition. She has…

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