
Does creatine cause erectile dysfunction? The evidence says no

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Jan 01, 2026 · 9 min read
Creatine is one of the most studied performance supplements on the planet, yet men still ask one anxiety-loaded question: “does creatine cause erectile dysfunction?” Here’s what the clinical literature actually supports, why the rumor started, and what to do if erections change while you’re using creatine. “When patients ask ‘does creatine cause erectile dysfunction,’ I ...