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Int J Exerc Sci. 2017 Dec 1;10(8):1275-1296. eCollection 2017.

The Effects of Overfeeding on Body Composition: The Role of Macronutrient Composition - A Narrative Review.

Author information

1
Human Nutrition and Functional Medicine, University of Western States, Portland, OR, USA.
2
Department of Health and Human Performance, Nova Southeastern University, Davie, FL, USA.

Abstract

Compared to investigations on hypocaloric diets, the effects of chronic overfeeding have been less studied. It has been posited that consuming calories in excess of daily caloric requirements will result in a gain in body weight and in particular fat mass regardless of which macronutrient(s) are consumed. However, recent evidence suggests that there is a quantitative difference in protein versus carbohydrate and/or fat overfeeding as it relates to body composition. Protein overfeeding or the consumption of a high protein diet may not result in a gain in body weight or fat mass despite consuming calories that exceed one's normal or habitual intake. Therefore, this review will provide an up-to-date narrative on the current scientific literature on various combinations of macronutrient overfeeding and its effects on body composition.

KEYWORDS:

Diet; body composition; bulking; energy surplus; fat gain; protein

PMID:
29399253
PMCID:
PMC5786199

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