Experimental studies investigating the effect of creatine supplementation on military personnel's exercise performance
| Study (design) | Subjects | Dose and duration of creatine used | Exercise method | Benefit | |
|---|---|---|---|---|---|
| Personnel | N | ||||
| Ensign et al38 (DBPP) | Navy Seals | 24 | 20 g/day for 4 days | Obstacle course, 3 runs | No |
| Bennett et al39 (DBPP) | Military personnel | 19 | 20 g/day for 6 days then 6 g/day for 28 days | March, 10 miles | No |
| Run, 5 miles | No | ||||
| Pull-ups to exhaustion | Yes* | ||||
| Warber et al40 (DBPP) | Army soldiers | 13 | 24 g/day for 5 days | Obstacle course, 3 runs | No |
| Bench presses, 5× reps to exhaustion | Yes*** | ||||
| Baker-Fulco et al41 (DBPC) | Active duty Army soldiers | 7 | 20 g/day for 7 days then 5 g/day for 7 days | Static knee contractions, 2 trials to exhaustion | No |
| *Armentano et al42 (DBPP) | Active duty Army soldiers | 35 | 20 g/day for 7 days | Push-ups, 2 min, | No |
| Koenig et al43 (SBPP) | Recreational Athletes-Army | 60 | 25 g/day for 5 days | Static jump, 2×10 reps | Yes* |
*Significance level at 0.05; ***significance level at 0.001.
DBPC, double-blind, placebo, crossover; DBPP, double blind, placebo controlled, parallel group; SBPP, single blind, placebo controlled, parallel group.