12 male strength/power athletes underwent two testing sessions. They got either 120 ml of a high energy drink (Redline Extreme) or 120 ml of a placebo. After training they answered questions on their feelings of energy, fatigue, alertness and focus for that moment. Results indicate a significant increase in reaction performance, with no effect on anaerobic power performance. In addition, ingestion of this supplement significantly improves subjective feelings of focus and energy in male strength/power athletes.