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

Compare · Anabolic steroid

Mesterolone vs Oxandrolone

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

MesteroloneOxandrolone
Evidence 1/10 8/10
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.Oxandrolone is an oral anabolic-androgenic steroid with genuine clinical trial support in catabolic illness (severe burns, HIV wasting, Turner syndrome), but its 'mild and safe' reputation is marketing, not evidence.
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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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Oxandrolone

Oxandrolone is sold under the brand name Oxandrin and is widely known as Anavar. It's a man-made anabolic-androgenic steroid (AAS) — a drug that mimics testosterone to build muscle. You can take it as a pill. In fitness circles it has a reputation as a "mild" or "safe" steroid, but that reputation…

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