Very low-calorie diet
Very Low-Calorie Diet (VLCD)
Very Low-Calorie Diet (VLCD) is a diet that involves consuming less than 800 calories per day. This type of diet is typically supervised by a medical professional due to the drastic reduction in caloric intake.
Pronunciation
Very Low-Calorie Diet: /ˈvɛri loʊ-ˈka-lə-ree ˈdī-ət/
Etymology
The term "Very Low-Calorie Diet" is derived from the English words "very", "low", "calorie", and "diet". "Very" is from the Old English 'fære', meaning 'greatly'; "low" is from the Old English 'lāh', meaning 'little'; "calorie" is from the French 'calorie', a unit of heat, and "diet" is from the Latin 'diaeta', meaning 'way of life, regimen'.
Definition
A Very Low-Calorie Diet (VLCD) is a medically supervised diet that typically involves the consumption of meal replacement products, such as shakes or bars, that are high in protein and low in carbohydrates. These diets are typically used to promote rapid weight loss in individuals who are severely overweight or obese.
Related Terms
- Calorie: A unit of energy used in nutrition. In a dietary context, calories refer to the energy people get from the food and drink they consume, and the energy they use in physical activity.
- Diet: The kinds of food that a person, animal, or community habitually eats.
- Obesity: A medical condition in which excess body fat has accumulated to an extent that it may have a negative effect on health.
- Weight loss: A decrease in body weight resulting from either voluntary (diet, exercise) or involuntary (illness) circumstances.
- Protein: A nutrient that the body needs in large amounts. It is an important building block of bones, muscles, cartilage, skin, and blood.
- Carbohydrate: A nutrient that the body needs in large amounts. It is the body's main source of energy.
External links
- Medical encyclopedia article on Very low-calorie diet
- Wikipedia's article - Very low-calorie diet
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