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Review
. 2017 Dec 1;10(8):1275-1296.
doi: 10.70252/HPPF5281. eCollection 2017.

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

Alex Leaf  1 , Jose Antonio  2
Affiliations
Review

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

Alex Leaf et al. Int J Exerc Sci. .

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.

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