Guide

Creatine rarely changes bleeding in healthy adults, but people on blood thinners should be cautious and loop in their prescriber before starting.

Creatine doesn’t raise LDL in most healthy adults, and blood-lipid changes are usually neutral at common serving sizes.

Creatine hasn’t been tied to heart harm in healthy adults at normal doses, but heart disease and diuretics call for clinician advice.

Creatine doesn’t seem to harm healthy lungs, and most human data show no meaningful change in breathing tests at normal doses.

Some people notice short-term vision blur while using creatine, most often alongside dehydration, headaches, or fatigue rather than lasting eye harm.

Creatine rarely changes hunger on its own; if appetite shifts, it’s often from harder training, new routines, or calorie changes.

Creatine doesn’t seem to raise uric acid in most healthy adults at standard doses, yet hydration, diet, and kidney function still shape your numbers.

Creatine may sharpen some memory tasks in certain people, with the clearest gains showing up when brain energy is under strain.

Creatine can raise brain energy reserves, which can sharpen certain thinking tasks when your brain is under heavy strain.

Creatine may shift stool texture or timing for some people, most often tied to dose size, mixing, and sweeteners in flavored powders.