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

Compare · Anabolic steroid

Boldenone vs Methasterone

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

BoldenoneMethasterone
Evidence 3/10 3/10
ClassAnabolic steroidAnabolic steroid
SummaryBoldenone is an injectable anabolic-androgenic steroid (a synthetic derivative of testosterone), not a peptide. Its only sanctioned use today is veterinary; there is no modern human clinical evidence supporting its physique or performance claims.Methasterone is an oral 17α-alkylated anabolic-androgenic steroid (a 17α-methyl version of drostanolone), never an approved medicine; its only robust human evidence is harm — severe cholestatic liver injury — not efficacy.
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Boldenone

Boldenone, sold for animal use as Equipoise and known on the street as "EQ," is a synthetic anabolic-androgenic steroid (AAS) — a lab-made cousin of testosterone. It is not a peptide and not a SARM. It comes as a long-acting injectable (a form called the undecylenate ester, which slows how fast the…

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Methasterone

Methasterone — most people know it by the designer-supplement name Superdrol, and chemists call it methyldrostanolone — is a man-made anabolic-androgenic steroid (AAS), not a peptide. It is an oral steroid built on a dihydrotestosterone backbone, with a chemical tweak called 17α-alkylation that…

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