creatine-testosterone

この研究の注釈：

Elite rugby players

Study in sleep deprivation

この研究の注釈：

Creatine loading in amateur athletes improved their swimming performance on a single 50-m sprint (by 4.6% relative to placebo) but failed to improve the 100-m sprint. When all hormones were measured in a rested state, neither growth hormone nor cortisol had changed significantly, but testosterone had increased by at least 15%.

この研究の注釈：

In athletes who reported (retrospectively) creatine usage for up to four years, there was no significant adverse effect on healthy markers, although a nonsignificant trend to increase testosterone and decrease LDH (lactate dehydrogenase, a liver enzyme) was noted.

この研究の注釈：

Dihydrotestosterone was found to be increased following creatine supplementation, with the increase in testosterone failing to meet statistical significance.

この研究の注釈：

Conducted in collegiate level football playing males.

Synergism noted between creatine and beta-alanine coingestion in regards to body composition, but power and hormonal differences attributed to creatine.

この研究の注釈：

Dosed at 0.3g/kg bodyweight creatine monohydrate for 7 days followed by 0.05g/kg thereafter.

Investigated creatine monohydrate during overreaching/overtraining, was found to alleviate decreases in power output on some measures and increase strength on others.

Testosterone and Free testosterone were continuously higher in creatine monohydrate group, although the groupXtime effects were not statistically significant.