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

Compare · Anabolic steroid

Fluoxymesterone vs Oxymetholone

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

FluoxymesteroneOxymetholone
Evidence 8/10 9/10
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.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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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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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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