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

Compare · Anabolic steroid

Oxymetholone vs Trenbolone

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

OxymetholoneTrenbolone
Evidence 9/10 3/10
ClassAnabolic steroidAnabolic steroid
SummaryOxymetholone 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.Trenbolone is a potent injectable anabolic-androgenic steroid — never a peptide — with no human efficacy trials, an FDA-approved use only as a cattle growth-promoting implant, and serious androgenic, cardiovascular, and hormonal risks.
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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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Trenbolone

Trenbolone is one of the strongest anabolic-androgenic steroids around — and also one of the least studied in people. It is not a peptide and not a SARM (a different class of muscle-building drug). It's a true steroid, chemically related to another steroid called nandrolone. Nobody ever ran proper…

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