Oliveira, P. V., Baptista, L., Moreira, F., Vieira, Pl, & Lancha Jr., A. H. (2005). Correlation among muscle mass, strength, and cross sectional muscle area according to carbohydrate and protein supplementation. Medicine and Science in Sports and Exercise, 37(5), Supplement abstract 208.

Young men (N = 16) were assigned to two groups and performed eight weeks of resistance training. One group received supplemental protein and the other carbohydrate.

High carbohydrate intake was associated with increased strength, muscle mass, and cross-sectional area of muscle. Protein supplementation displayed no associated changes.

Implication. Carbohydrate and not protein supplementation is related to increased muscle size after resistance training.

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