Ensign, W. Y., Jacobs, I., Prusaczyk, W. K., Goforth, H. W., Law, P. B., & Schneider, K. E. (1998). Effects of creatine supplementation on short-term anaerobic exercise performance of U.S. Navy Seals. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1509.

This investigation evaluated the effects of dietary creatine supplementation of performance of a standard military task (<2 min obstacle course) by Navy Special Warfare personnel (N = 24). Testing occurred before and after five days of creatine or placebo ingestion.

There were no creatine-related differences between conditions for body fat, total body water, blood lactate, or obstacle performance time.

Implication. Creatine supplementation did not affect the performance of a one-time short-duration intense activity.

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