
Does nicotine increase testosterone or quietly wreck it?

Alexander Grant, MD, PhD: Urologist & Men’s health advocate
Nov 20, 2025 · 13 min read
Some studies say nicotine nudges testosterone up. Others say it does nothing. All agree on one thing: the tradeoffs for your health and hormones are steep. “When guys ask me ‘does nicotine increase testosterone,’ I tell them this: even if there is a tiny bump on lab work, it comes packaged with weaker erections, poorer […]