Androgen receptors

Androgen receptors are the proteins that respond to testosterone and DHT, influencing muscle growth, strength, libido, and many other male health markers. This tag covers how receptor sensitivity, genetics, training, and lifestyle can affect results on natural testosterone or TRT.

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The essentials for androgen receptors — then explore the latest posts below.

Does testosterone make your dick bigger? The clinical reality of growth, hormones, and male anatomy

Does testosterone make your dick bigger? The clinical reality of growth, hormones, and male anatomy

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 21, 2025 · 10 min read

In adult men, increasing testosterone above normal levels does not make the penis bigger after puberty (typically complete by ages 18–21) because the corpora cavernosa have reached “terminal size” and don’t restart androgen-driven growth. Low testosterone can still make size look smaller by causing penile tissue atrophy and reduced elasticity—here’s what hormones can and can’t ...

Does testosterone cause hair loss? Separating hormonal fact from fiction

Does testosterone cause hair loss? Separating hormonal fact from fiction

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 04, 2025 · 10 min read

Testosterone itself isn’t the direct cause of male pattern hair loss; the issue arises when 5‑alpha reductase converts it into DHT, which miniaturizes genetically androgen‑sensitive scalp follicles even when total testosterone is normal. With androgenetic alopecia affecting roughly 30%–50% of men by age 50, the real question is whether your follicles are “wired” to overreact—and ...

L-carnitine benefits: Fuel your mitochondria and support androgen receptors

L-carnitine benefits: Fuel your mitochondria and support androgen receptors

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Oct 25, 2025 · 14 min read

To add the internal link, I identified a highly relevant context in the “Myth vs Fact” section. The text debunks the myth that L-carnitine is a magic fat melter, emphasizing the need for calorie deficit and training for “meaningful fat loss.” This aligns perfectly with the target article “Do weight loss supplements work for men? ...

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