Dihydrotestosterone (DHT)

Dihydrotestosterone (DHT) is a potent androgen made from testosterone that influences libido, strength, body hair, prostate health, and male-pattern hair loss. This tag covers what drives DHT levels, how it relates to TRT and symptoms, and evidence-based ways to manage it through labs, lifestyle, and medications when appropriate.

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Does testosterone make your dick bigger? What the science says about size, erections, and TRT

Does testosterone make your dick bigger? What the science says about size, erections, and TRT

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 21, 2025 · 11 min read

Testosterone does not make your penis bigger after puberty. But if low testosterone is weakening your erections, restoring healthy levels can make your penis look and function bigger in the moment because erection quality improves. “If you are asking ‘does testosterone make your penis bigger,’ the honest medical answer is no for adult men. Testosterone ...

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