Caffeine has some potential to benefit training outcomes via the anabolic effects of the increase in testosterone concentration, but this benefit might be counteracted by the opposing catabolic effects of the increase in cortisol and resultant decline in the testosterone:cortisol ratio.

Caffeine

Health conditions analyzed in this study

Functions related to this study

Muscle building

1 supplement Moderately Positive Caffeine

Overall health

1 supplement Slightly Negative Caffeine

Testosterone

1 supplement Slightly Positive Caffeine

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Body systems related to this study

Endocrine System

1 supplement Caffeine

Muscular System

1 supplement Caffeine