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| Effect | Increase |
| Trial Design | Double blind |
| Trial Length | 1-7 Days |
| Number of Subjects | 121 |
| Sex | Male |
| Age Range | 18-29 |
| Body Types | Trained, Overweight, Average |
In military cadets performing regular military night duties, 5 days of supplementation of rhodiola (370 or 555mg of SHR-5) was able to significantly reduce total fatigue and improve well being when measured 2 hours after supplement ingestion and again at the end of the trial. Capacity for mental work significantly increased relative to placebo.
