Ensuring Gym Success: Dianabol Uses & Dosage Explained- Read Now! 1 – What Is 5‑α‑Reductase?

5‑α‑reductase is an enzyme complex that converts testosterone into its more potent androgen, dihydrotestosterone (DHT).
Two main isoforms exist in humans – type I and type II – which differ in tissue distribution and catalytic efficiency.
The reaction reduces the double bond between carbon‑4 and 5 of the steroid backbone, giving DHT a higher affinity for the androgen receptor.

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2 – Where Is It Found?

TissueIsoform predominanceFunctional significance Prostate (epithelial &amp