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Pakistan Journal of Nutrition
  Year: 2012 | Volume: 11 | Issue: 3 | Page No.: 282-287
DOI: 10.3923/pjn.2012.282.287
 
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Weight Loss and Calorie Restriction at 50% Fasting Rate
John H. Jennings and Michael Lesser

Abstract:
In planning a diet with the purpose of weight loss, a doctor will invariably need to cut back calories consumed by the patient. As a rule of thumb, 3500 cal/lb is the calories eliminated for loss of one pound of body weight. This work is a pilot study to see the relation between the calorie deficit and the rate of weight loss in humans. A random search was made for data points and the search was stopped when the average fasting rate was about 50% and N = 51 data points were found. Water loss enters in and people have different metabolisms, so the 3500 figure has an uncertainty of about 20%. The author performed the literature search, in addition to adding his own data and he came up with a new value of 3511 cal/lb. This result originates from calorie restriction data on an otherwise normal diet in terms of the proportion of fat, carbohydrate and protein. The well-known result of 3500 cal/lb agrees with data from diets at a 50% fasting rate. Evidently the 3500 cal/lb figure holds throughout the entire fasting range.
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How to cite this article:

John H. Jennings and Michael Lesser, 2012. Weight Loss and Calorie Restriction at 50% Fasting Rate. Pakistan Journal of Nutrition, 11: 282-287.

DOI: 10.3923/pjn.2012.282.287

URL: https://scialert.net/abstract/?doi=pjn.2012.282.287

 
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