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

Compare · Anabolic steroid

Fluoxymesterone vs Oxandrolone

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

FluoxymesteroneOxandrolone
Evidence 8/10 8/10
ClassAnabolic steroidAnabolic steroid
SummaryFluoxymesterone is an oral 17α-alkylated anabolic-androgenic steroid (not a peptide), once FDA-approved for hypogonadism and breast-cancer palliation but now largely obsolete. Its strongest, best-documented human data concern liver injury rather than benefit, and non-medical use is illegal and banned in sport.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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Fluoxymesterone

Fluoxymesterone, sold for decades under the brand name Halotestin, is a man-made anabolic-androgenic steroid (AAS) — a lab-made cousin of testosterone. You take it as a pill, and it's built from testosterone with a chemical tweak (called 17α-methylation) that lets it survive being swallowed. It's a…

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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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