Weight loss is different for everyone because the amount and speed of the loss is affected by a number of factors including metabolism, diet, physical exercise, pre-existing medical conditions and sleep. However, a safe weight-loss goal, according to Gannett Health Services with Cornell University, is 5 pounds per month. Quick weight-loss programs that boast numbers higher than the prescribed 2 to 5 pounds can have a variety of negative effects including low energy, headaches, rebound weight gain when the diet is over, inadequate nutrition and strain on the heart.

On the Other: Rapid Weight Loss can be Safe

However, according to Dr. Michael Dansinger, famous for his role in NBC's "Biggest Loser" program, rapid weight loss done under the right conditions can be safe and effective. He suggests it's an ambitious undertaking that involves hours of exercise, a very strict diet and a doctor monitoring the participant. In addition, Katherine Tallmadge, a registered dietitian, says that losing 3 pounds a week on a strict plan of healthy eating, reduced calories and lots of exercise is possible and healthy. It requires commitment and a plan for success.

Bottom Line

A major concern for most people who succeed in losing weight quickly is not being able to maintain the weight loss over time. People who make lifestyle changes that include better eating habits and a steady amount of fat-burning exercise are making adjustments to their environments to incorporate practices that will contribute long-term to a more sustainable weight loss. So even though it takes longer, the effects usually last longer. While there are circumstances where quick weight loss is necessary and can be effective, it should always be done under the supervision of a physician. Afterward, the participant will benefit from discussing long-term weight management issues with his doctor. Contact your doctor to discuss which program is right for you.

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A safe weight loss goal

rapid weight loss done under the right conditions can be safe and effective