Guide

Creatine doesn’t seem to harm fertility in healthy adults, yet pregnancy and breastfeeding data is limited, so a food-first plan and clinician-led choices are

Creatine can raise workout output, yet direct sexual effects in men aren’t clearly shown; most changes are indirect, tied to training and recovery.

Creatine can raise day-to-day energy and training drive, which may lift sexual desire for some women, while direct libido studies stay scarce.

Current research hasn’t shown creatine raising pancreatic cancer risk; evidence in people with cancer is still thin, so dosing calls for care.

Creatine doesn’t appear to raise or lower estrogen or progesterone, but it can shift water balance and training output, which may feel like a hormone change.

Most data shows creatine doesn’t blunt libido or erection quality, and any hormone shifts seen in small trials don’t translate into clear bedroom changes.

Creatine doesn’t appear to directly change erection quality for most people, but dosing, hydration, sleep, and expectations can shift what you notice.

Creatine is in human milk, yet supplement transfer data is limited, so many nursing parents avoid it or keep doses low.

Standard-dose creatine hasn’t shown a clear link to higher blood-clot risk, but dehydration and existing clot risks can change your odds.

Creatine can boost short-burst training output, yet research tied directly to endometriosis is limited, so a small, tracked trial is the safest way to decide.