Guides
The background reading behind the reviews. What changes with age, what actually helps, and what the human research shows for the ingredients that fill men's supplement labels.
Start here
Guide
How to fix ED at home
The changes that have research behind them, ranked, a 30-second self-check, what to skip, and the red flags that mean see a doctor first.
Guide
Why erections get softer after 40
The everyday reasons firmness changes with age, what actually helps, and when a change is worth a doctor visit rather than a supplement.
Ingredient research
Ingredients
Maca, ginseng, tongkat ali and horny goat weed
Four herbs that show up in almost every men's blend. What the human research says for drive, energy and erections, herb by herb.
Ingredients
Nitric oxide supplements for erections
Do L-arginine, L-citrulline and beetroot work? What the research shows, and why the dose in most blends is far too low.
