Dante Carrillo
A 700-calorie diet is a very low-calorie diet (VLCD) that involves consuming fewer calories than the recommended daily intake. It is often used as a rapid weight-loss solution, but it is important to understand the potential health implications and risks associated with such extreme calorie restriction. This diet should only be undertaken under the supervision of a healthcare professional and is not a sustainable long-term solution.
| Characteristics | Values |
|---|---|
| Calorie Intake | 700 calories per day |
| Purpose | Rapid weight loss |
| Typical Users | People with obesity-related health complications |
| Diet Composition | Protein, non-starchy vegetables, small portions of healthy fats |
| Nutritional Challenges | May not provide sufficient nutrients for optimal health |
| Risks | Fatigue, dizziness, weakness, headaches, constipation, gallstones, negative psychological impact |
| Recommended Duration | Short-term, not exceeding 12 weeks |
| Supervision | Should be done under medical or healthcare professional supervision |
| Calorie Deficit | Achieved by consuming fewer calories than the body needs |
| Flexibility | Allows for flexibility in food choices within the calorie range |
| Meal Planning | Requires precise meal planning to ensure nutritional adequacy |
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What You'll Learn
A 700-calorie diet is a very low-calorie diet (VLCD)
The average adult requires 1,600 to 3,000 calories per day, and even a sedentary two-year-old needs at least 1,000 calories. A 700-calorie diet represents a sharp departure from these norms and should only be undertaken under medical supervision. It is typically recommended for individuals with obesity-related health complications who would benefit from rapid weight loss, such as those preparing for surgery or managing conditions like high blood pressure.
A 700-calorie diet requires meticulous meal planning to ensure every calorie counts. An example daily meal plan could include:
- Breakfast: One boiled egg (78 calories) and half a grapefruit (52 calories)
- Lunch: A small salad with mixed greens, cherry tomatoes, and grilled chicken breast (142 calories)
- Dinner: Baked salmon (220 calories) and steamed broccoli (50 calories)
- Snack: Cucumber slices (20 calories)
This meal plan emphasises protein to maintain muscle mass and includes low-calorie, nutrient-dense vegetables for fibre and vitamins. However, it may not provide sufficient nutrients for optimal health, especially over extended periods.
Adopting a 700-calorie diet should be a carefully considered decision made in consultation with a healthcare professional or registered dietitian. While it can lead to initial weight loss success, it is not a sustainable long-term solution. Transitioning to a balanced and nutritious eating plan is crucial for maintaining a healthy lifestyle.
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It can be effective for rapid weight loss
A 700-calorie diet is a very low-calorie diet (VLCD) that can be effective for rapid weight loss. The average adult needs somewhere in the range of 1600 to 3000 calories per day, per the National Institutes of Health (NIH). A 700-calorie diet is a sharp departure from this range, and it can lead to a calorie deficit, resulting in weight loss. For example, a moderately active 30-year-old who typically consumes 2000 calories a day could lose about 2.5 pounds a week, or roughly 10 pounds in a month, by switching to a 700-calorie diet.
However, it's important to recognize that cutting calories to such extremes has implications for how your body functions daily. A very low-calorie diet can trigger a host of physiological changes as the body shifts into survival mode. It can be challenging to meet your body's nutritional needs, and rapid weight loss can lead to malnutrition, fatigue, and a generally unwell feeling. It can also increase your risk of developing gallstones. Therefore, a 700-calorie diet should only be followed under the supervision of a healthcare professional and for a short period of time.
To ensure you're getting adequate nutrition on a 700-calorie diet, precise meal planning is required. Meals should be meticulously planned to include protein sources such as lean meats or eggs, non-starchy vegetables, and a tiny portion of healthy fats. For example, a day on a 700-calorie diet could include breakfast with one boiled egg and half a grapefruit, a small salad with mixed greens, cherry tomatoes, and grilled chicken breast for lunch, and a small fillet of baked salmon with steamed broccoli for dinner.
While a 700-calorie diet can provide initial weight loss success, it is not a sustainable long-term solution. It can be challenging to stick to, and transitioning to a balanced and nutritious eating plan is crucial for maintaining a healthy lifestyle in the long run. Additionally, a gradual weight loss rate of 1 to 2 pounds per week is generally safer, easier to maintain, and more likely to be successful.
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It may not provide sufficient nutrients
A 700-calorie diet is considered a very low-calorie diet (VLCD) and can be hazardous if followed for extended periods without medical supervision. It is usually only recommended for people with obesity-related health complications that would benefit from rapid weight loss. For instance, losing weight before surgery can reduce the associated risks.
VLCDs can result in rapid weight loss, but they may not provide sufficient nutrients. Extreme calorie restriction can lead to nutrient deficiencies, causing muscle loss, hair loss, and potentially triggering other chronic diseases. For example, insufficient nutrient intake can result in significant health issues, with symptoms ranging from fatigue and weakness to more severe cases of osteoporosis and anaemia.
To be healthy, a balance of foods from different food groups is required. It is challenging to get good nutrition and feel satisfied on a very low-calorie diet. Consuming as few as 800 calories daily may not give you the energy you need for daily living and regular physical activity, especially if you eat the same foods every day.
Very low-calorie diets are not suitable for everyone. Most people on VLCDs need vitamin and mineral supplements to ensure they receive proper nutrition. They are generally safe for people with a BMI over 30 when used under medical supervision. For people who are overweight but not obese (BMI 27-30), VLCDs should only be considered if they have weight-related medical problems and are under medical supervision.
Additionally, when resuming a normal diet after a VLCD, it is important to do so gradually to avoid refeeding syndrome, which is characterized by a drastic drop in phosphorus, magnesium, and potassium levels that can result in heart failure.
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It can be unsustainable and lead to weight regain
A 700-calorie diet is considered a very low-calorie diet (VLCD) and can be unsustainable for several reasons. Firstly, it can lead to nutritional deficiencies as it is challenging to meet all nutrient requirements with such a restricted calorie intake. This can result in muscle loss, metabolic slowdown, and extreme fatigue. Secondly, a 700-calorie diet is typically only recommended for short-term use under medical supervision due to its potential health risks. Without proper oversight, it can lead to dangerous side effects, including severe fatigue, irritability, emotional distress, and depression.
Additionally, the rapid weight loss associated with a 700-calorie diet can be misleading as it often comes from water and muscle loss rather than fat loss. This rapid loss of muscle mass can slow down the metabolism, making it harder to burn calories and potentially leading to weight loss plateaus or even weight gain when resuming a normal diet. The body may also compensate by becoming more efficient at storing fat, resulting in weight regain.
Furthermore, a very low-calorie diet is not suitable for everyone and should only be undertaken by those with obesity-related health complications that would benefit from rapid weight loss, such as preparing for surgery. For most people, a gradual reduction of 1-2 pounds per week is safer and more effective, achieved through a moderate calorie deficit of 500-1000 calories daily. This approach preserves muscle mass, sustains energy levels, and promotes long-term weight loss by allowing the body to adjust gradually.
The extreme nature of a 700-calorie diet can also lead to difficulties in social situations, such as dining out, as it is challenging to accurately track calorie intake in restaurants. This can result in a distorted calorie consumption pattern and make adherence to the diet more challenging. Therefore, while a 700-calorie diet may offer quick results, it is crucial to consider the potential risks and unsustainable nature of such an extreme approach to weight loss.
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It should be done under medical supervision
A 700-calorie diet is a restrictive and potentially dangerous regimen that should only be undertaken under strict medical supervision. Such a drastic reduction in calorie intake is not suitable for everyone and must be carefully managed to avoid health complications.
Medical supervision is essential to ensure the diet is safe and effective for the individual. Healthcare professionals can provide guidance on appropriate calorie distribution, macronutrient ratios, and micronutrient supplementation to prevent nutritional deficiencies. They can also monitor an individual's health throughout the diet, identifying and mitigating potential risks.
For example, a 700-calorie diet may not provide sufficient protein to maintain muscle mass. Medical professionals can advise on protein-rich foods or supplements to include in the diet to prevent muscle loss and associated health risks. Similarly, they can recommend supplements or advise on food choices to ensure adequate intake of essential vitamins and minerals, which may otherwise be lacking in such a restricted diet.
Additionally, medical supervision provides accountability and support, crucial for adherence and safety. Healthcare professionals can help individuals address challenges or barriers during the diet. They can also offer psychological support, aiding individuals in coping with the mental and emotional aspects of a restrictive diet.
The risks of a very low-calorie diet include malnutrition, gallstone formation, electrolyte imbalances, and increased infection risk. Medical supervision can help identify and mitigate these risks. Professionals might recommend foods or supplements to prevent deficiencies or advise on physical activity levels to maintain muscle mass without causing excessive fatigue.
In conclusion, a 700-calorie diet requires medical supervision to ensure safety and effectiveness. Healthcare professionals tailor the diet, prevent complications, and provide support for a successful outcome. Without supervision, individuals face health risks and are less likely to achieve their goals.
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Frequently asked questions
A 700-calorie diet is a very low-calorie diet (VLCD) that involves consuming fewer calories than your body needs, creating a calorie deficit that leads to weight loss. This diet is typically recommended for short-term use under medical supervision.
A 700-calorie diet requires careful meal planning to ensure you get the necessary nutrients. A sample daily meal plan could include:
- Breakfast: One boiled egg and half a grapefruit
- Lunch: Small salad with mixed greens, cherry tomatoes, and grilled chicken breast
- Dinner: Small fillet of baked salmon with steamed broccoli
- Snack: Cucumber slices
A 700-calorie diet may not provide sufficient nutrients and can lead to fatigue, dizziness, weakness, headaches, constipation, and gallstones. It can also be challenging to adhere to due to the strict calorie restriction, and it may not be sustainable long-term, potentially leading to weight regain and disordered eating patterns.
