Branched-chain amino acids prolong exercise during heat stress in men and women.

  title={Branched-chain amino acids prolong exercise during heat stress in men and women.},
  author={Karen D. Mittleman and Matthew R. Ricci and Stephen P. Bailey},
  journal={Medicine and science in sports and exercise},
  volume={30 1},
To assess the effect of branched-chain amino acids (BCAA) supplementation on endurance performance in the heat, six women and seven men participated in two trials of rest in the heat (Ta = 34.4 +/- 1.8 degrees C; rh = 39 +/- 14%), followed by 40% VO2peak exercise to exhaustion. Subjects ingested 5 mL x kg(-1) of a placebo (PLAC) or BCAA drink every 30 min. Cycle time to exhaustion increased during BCAA (153.1 +/- 13.3 vs 137.0 +/- 12.2 min, P < 0.05) for men and women. Plasma glucose was… CONTINUE READING


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