Guide

Creatine hasn’t been shown to raise blood pressure in healthy adults at common doses, yet your own readings should guide your next step.

Creatine doesn’t tint urine on its own, yet darker urine can show up when your fluid intake and sweat loss don’t match.

Creatine can nudge a blood creatinine result upward, sometimes without kidney harm, since creatinine reflects both muscle supply and kidney filtering.

Creatine may raise body weight because it increases water stored inside muscles, not because it adds body fat.

Creatine doesn’t reliably raise resting testosterone; its main payoff is stronger training sessions that can help drive muscle gain over time.

Creatine can raise short-burst output, so many lifters get extra quality reps and add load sooner across a training block.

Creatine may steady mental performance under sleep loss, but day-to-day focus gains are mixed.

Most people don’t need extra water, but steady hydration can ease stomach upset and keep training days feeling normal.

Creatine may raise DHT in some users during loading, yet the data set is small and day-to-day hormone swings are common.

Creatine hasn’t shown meaningful shifts in testosterone, estrogen, or cortisol in most studies; training load, sleep, and diet drive bigger swings.