Independent reference & toolkit 100 compounds graded · Last reviewed June 2026

Compare · Anabolic steroid

Mesterolone vs Oxymetholone

Both are anabolic steroid compounds. Here's how they line up on the evidence — graded the same way.

MesteroloneOxymetholone
Evidence 1/10 9/10
ClassAnabolic steroidAnabolic steroid
SummaryMesterolone is an oral, DHT-derived anabolic-androgenic steroid once sold abroad for male hypogonadism and idiopathic infertility. Controlled human trials for its two historic uses (fertility, mood) are negative or unconvincing, and its performance 'anti-estrogen' reputation has no strong human evidence.Oxymetholone is a potent oral anabolic-androgenic steroid (not a peptide) with genuine controlled-trial support in wasting illness, but it carries serious, well-documented liver, lipid, and hormonal risks.
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Mesterolone

Mesterolone, almost always sold under the brand name Proviron, is a man-made oral steroid. More precisely, it's an anabolic-androgenic steroid (AAS) — a synthetic relative of the male hormone dihydrotestosterone (DHT). It's an androgen (a male-hormone-type drug), not a peptide and not a SARM.…

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Oxymetholone

Oxymetholone, sold as Anadrol-50 (and once known as Anapolon), is a synthetic anabolic-androgenic steroid (a lab-made hormone that builds muscle and acts like testosterone), usually shortened to AAS. You take it as a pill, and it comes from dihydrotestosterone, a natural form of testosterone. To be…

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