Tag: Vlcd risks

According to health guidelines, most adults require significantly more than 900 calories per day for basic bodily functions. A diet centered around a 900 calorie meal is therefore considered a very low-calorie diet (VLCD) and is not healthy or sustainable for the vast majority of people.

According to nutritionists, extreme calorie restriction, as seen in the Cambridge diet, poses a significant risk of nutrient deficiencies and other undesirable outcomes. For those considering this weight loss plan, understanding the potential disadvantages of the Cambridge diet is crucial before starting.

According to reputable sources like the Cleveland Clinic and Healthline, the highly restrictive nature of a Protein-Sparing Modified Fast (PSMF) means it is not suitable for everyone, particularly those with underlying medical conditions, underscoring the importance of knowing who should avoid PSMF diets before starting. A PSMF can cause dangerous side effects and should only be undertaken with medical supervision.

First introduced in 1986 by psychologist Martin Katahn, what is commonly known as the 600 900 1200 calorie diet was conceived as a rotation plan to prevent metabolic adaptation and promote rapid weight loss. The diet's structure involves a severe and rotating restriction of daily calorie intake over a period of weeks.

Most health experts classify a 700-calorie diet as a Very Low-Calorie Diet (VLCD), typically reserved for strict medical supervision. So, **will you lose weight on 700 calories?** While rapid, short-term weight loss is possible, it comes with extreme risks that make it unsafe and unsustainable for most individuals.

Research indicates that very-low-calorie diets (VLCDs), defined as consuming 800 kilocalories or less per day, carry significant health risks. This exploration answers the critical question: **What are dangerously low calories?** and details why such extreme diets are a threat to your overall health.

According to the Dietary Guidelines for Americans, estimated calorie needs for adults range from 1,600 to 3,000 calories per day, depending on age, sex, and activity level [1]. A diet providing only 1000 calories per day is considered a very low-calorie diet (VLCD), significantly below the typical recommendations for most adults.