For those who are overweight, losing as little as 5 to 10 percent of body weight can help to lower blood pressure, cholesterol and blood sugar. Most people who set out to lose weight want quick results, but a gradual loss of 1 to 2 lbs. per week is safe and will be more sustainable.
Rapid Weight Loss From VLCDs
Creating a caloric deficit is the most effective method of initiating weight loss naturally. To lose weight quickly, you would have to start a very low calorie diet, or VLCD, which must be supervised by a doctor. A VLCDs provides you with only 250 to 800 calories per day. This does produce substantial weight loss, but the nutritional deficiencies that accompany a VCLD are detrimental to your body. You would need to follow your doctor's directions regarding supplementing your diet with vitamins and minerals to ensure your body gets enough nutrients to function normally.
Problems With Rapid Weight Loss
The ultimate goal of your weight-loss program should be not just to lose weight, but to maintain the new, healthier weight when you achieve it. When you lose weight quickly, you do not have a chance to adopt new eating and lifestyle behaviors that will help you maintain your weight. Most people who lose weight fast regain it just as quickly. Physical problems in connection to rapid weight loss include an increased risk of developing gallstones or electrolyte imbalances.
Scientific Evidence
The "Journal of Consulting and Clinical Psychology" published a study by T. Wadden in February 1994 that reported the diet and weight loss achievement of 49 obese subjects over a year. They were assigned to two groups: One group had a balanced deficit diet, or BDD, of 1,200 calories per day for the entire year; the other group had a VLCD of 450 calories per day for 16 weeks before going on the BDD.
At the end of the year, the BBD group had lost an average of 13 kg, while the average weight loss in the VLCD group was 11 kg.
Recommendations
A VLCD may give your weight-loss plan an initial punch, but should be done under the supervision of your doctor and should be followed by a slow weight-loss program that you will be able to adhere to. Your weight-loss program needs to incorporate a manageable diet and adequate exercise to be successful.
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