Horny Goat Weed (Epimedium): The Limited-Evidence Ingredient, Explained

This site's own honest scoring rates Horny Goat Weed as the lowest-evidence ingredient in the category — worth understanding directly why.

What the honest rating actually reflects

Horny Goat Weed (Epimedium) is a traditional ingredient studied for supporting blood flow, though most modern human trial data remains limited — earning a 48% evidence rating, the lowest of the six commonly used ingredients in this category.

Why this is worth reading alongside the other five ingredients

A lower evidence rating doesn't mean an ingredient is fabricated or useless — it means the modern clinical research is thinner than for ingredients like L-Arginine or Zinc, worth factoring into your overall expectations for the formula.