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Dangers Of Very Low-Calories Diets


Low-calorie diets have long been touted as a quick fix for weight loss. However, some people take this to the extreme, drastically reducing their calorie intake to dangerous levels. In this blog post, we will take a look at the scientific research surrounding very low-calorie diets, and explore the potential dangers they pose to our health.


  1. Nutrient deficiencies: Very low-calorie diets (VLCDs) often lack essential nutrients such as vitamins, minerals, and healthy fats. This can lead to deficiencies that can cause a wide range of health problems, including anemia, osteoporosis, and weakened immune function.
  2. Hormonal imbalances: VLCDs can disrupt the balance of hormones in the body, particularly those related to hunger and metabolism. This can lead to a slowed metabolism, making it harder to lose weight and maintain weight loss in the long term.
  3. Heart health: VLCDs have been linked to an increased risk of heart disease, as they can cause changes in blood pressure and cholesterol levels. They can also cause electrolyte imbalances, which can lead to heart arrhythmias.
  4. Loss of muscle mass: VLCDs can cause a loss of muscle mass, as the body breaks down muscle tissue to use as energy when calorie intake is very low. This can lead to a weaker body and decreased ability to burn calories.
  5. Psychological effects: VLCDs can have negative psychological effects, such as depression, anxiety, and binge eating. These can make it difficult to stick to the diet and can lead to a cycle of yo-yo dieting.

Conclusion: While low-calorie diets can be effective for weight loss, it is important to be mindful of the potential dangers of very low-calorie diets. These diets can lead to nutrient deficiencies, hormonal imbalances, heart health problems, loss of muscle mass, and psychological effects. It is always best to consult with a healthcare professional before starting any diet, particularly one that is very low in calories.


  1. “Very-low-calorie diets” by American Academy of Family Physicians
  2. “The safety and efficacy of very low calorie diets” by National Center for Biotechnology Information
  3. “Extreme calorie restriction and longevity” by National Center for Biotechnology Information
  4. “The effects of very low calorie diets on muscle mass and strength” by National Center for Biotechnology Information
  5. “The psychological effects of dieting” by National Center for Biotechnology Information

My name is Shivjit and I am the founder of Superfit Training & Nutrition.
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