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Wednesday, 21/1/2026 | 12:02 GMT+7

What is the GM Diet?

I was introduced to the GM Diet for rapid weight loss in a short period. What is this diet, and is it effective? (My Ngoc, Tay Ninh province)

Answer:

The GM Diet (General Motors Diet) is a weight loss plan that focuses on consuming specific food groups daily. Its core mechanism creates a calorie deficit, stimulating the body to burn excess fat for weight loss. This diet is quite strict, requiring significant self-discipline. Foods allowed are low in calories, and dieters must drink 2,5 to 3 liters of water daily.

The GM Diet is a strict eating plan featuring low-calorie foods. *AI-generated image*

For effective rapid weight loss, strictly follow the daily meal plan:

  • Day one: Eat only fruits, excluding bananas.
  • Day two: Eat only vegetables, limiting potatoes in the morning.
  • Day three: Combine fruits and vegetables from day one and two, excluding bananas and potatoes.
  • Day 4: Eat only bananas and drink milk (a maximum of three glasses).
  • Day 5: Eat tomatoes and meat (chicken, fish, or beef) while drinking two additional glasses of water to help flush out uric acid from the body.
  • Day 6: Eat meat and vegetables. You can choose fish, beef, or chicken as desired, but avoid potatoes. Increase water intake by two glasses.
  • Day 7: Eat brown rice, vegetables, fruits, and fruit juice.

The GM Diet does not recommend exercise during the first three days and prohibits beans, alcohol, and high-calorie beverages.

While the GM Diet may lead to rapid weight loss, it carries several risks. The menu is primarily high in fiber but lacks sufficient protein, carbohydrates, and fats, which can cause nutritional deficiencies. This can result in fatigue, headaches, weakness, and a weakened musculoskeletal system. The weight loss achieved through the GM Diet is often temporary; once the diet stops, the body tends to regain weight quickly due to the "yo-yo effect" (rapid weight loss followed by regain due to metabolic disruption and unsustainable eating habits).

Before starting the GM Diet, it is advisable to consult a doctor for personalized health advice. Individuals with heart conditions, stomach problems, or who are pregnant should not attempt this diet.

Nutritionist Hoang Dao Ngoc Lan

Endocrinology - Diabetes Unit

Tam Anh General Clinic District 7

By VnExpress: https://vnexpress.net/che-do-an-gm-diet-la-gi-5008089.html
Tags: dieting weight loss overweight

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