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Lean body mass composition and the supplementation factor. (A) percentage of protein, (B) percentage of fat, (C) percentage o water. Data are mean ± SD (% of carcass weight, independent of exercise). Pl, placebo (n = 19 animals). Cr, creatine (n = 17 animals). Caf, caffeine (n = 18 animals). CrCaf, creatine plus caffeine (n = 18 animals). *, denotes significant difference from Cr groups (P < 0.05).
