The Science of Male Enhancement, Demystified.

The Penis Size Guide is the definitive resource for the scientific analysis of male sexual health. While the medical community often overlooks enlargement due to social stigma, we believe in confronting the topic with data, not judgment.

Our mission is to cut through the industry’s “snake oil” and pseudoscience. By applying rigorous analysis to physiology, mechanics, and supplements, we separate biological reality from marketing myths—giving you the clarity you deserve.

Separating Physiology from Fiction.

Every month, over 70,000 people search for answers about penis size, yet most find only scams and unverified claims. Science has largely ignored this field due to its taboo nature, leaving a vacuum filled with misinformation.

We are here to draw the line. TPSG is dedicated to scientifically analyzing everything there is to know about the phallus—from enlargement and erectile function to libido and culture. If it affects your sexual health, we analyze the data to find the truth.