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Randomized Controlled Trial
, 44 (5), 792-8

Investigating the Effects of Negative-Calorie Diet Compared With Low-Calorie Diet Under Exercise Conditions on Weight Loss and Lipid Profile in Overweight/Obese Middle-Aged and Older Men

Randomized Controlled Trial

Investigating the Effects of Negative-Calorie Diet Compared With Low-Calorie Diet Under Exercise Conditions on Weight Loss and Lipid Profile in Overweight/Obese Middle-Aged and Older Men

Mohammadreza Rezaeipour et al. Turk J Med Sci.

Abstract

Background/aim: Negative-calorie diets (NCDs) are among the popular dieting guides for weight loss; however, there is still little knowledge about this method. The present study aimed to determine the effects of a NCD supplemented with exercise on weight loss and lipid profile, and to compare its efficiency with low-calorie diets (LCDs) with exercise among elderly adult men with abnormal weight gain.

Materials and methods: Participants included sedentary men (aged 45-75 years) who were overweight or obese (n = 37). They were randomly divided into 2 groups: a group with a NCD and exercise, and a group with a LCD with exercise. Of all 37 participants, 30 completed the treatment. Weight assessment parameters, including changes in weight and body composition and blood sample tests, were performed before and 3 months after intervention.

Results: All parameters decreased significantly in both groups. Elevation in high-density lipoprotein (HDL) cholesterol levels (P < 0.001) was different between the 2 groups. The decline in the total cholesterol to HDL cholesterol ratio was greater in the LCD than the NCD group.

Conclusion: Contrary to expectations, both weight-loss diets were equally efficacious.

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