DHT (dihydrotestosterone)

DHT is a potent androgen derived from testosterone that plays a major role in male sexual function, libido, prostate health, and hair loss risk. This tag covers what DHT does, how it relates to TRT and supplements, and how to think about managing symptoms and lab markers for performance and longevity.

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The essentials for dht (dihydrotestosterone) — then explore the latest posts below.

Does creatine cause erectile dysfunction? The evidence says no

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Jan 01, 2026 · 9 min read

In healthy adults, creatine monohydrate has not been shown in human studies to cause erectile dysfunction or lower libido. Because creatine’s main job is recycling ATP for muscle energy—and the rumor often comes from confusing kidney-disease–related ED with supplement use—here’s what the evidence supports and what to do if erections change. “When patients ask ‘does ...

Does testosterone cause hair loss? Separating hormonal fact from fiction

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 ...