Figure 2

S-PS significantly decreased cortisol (35 ± 0%, p < 0.01) and increased testosterone (37 ± 5%, p = 0.02) AUC levels and testosterone to cortisol ratio (184 ± 5%, p = 0.02) in comparison to placebo.

Starks et al. Journal of the International Society of Sports Nutrition 2008 5:11 doi:10.1186/1550-2783-5-11
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Figure 2.