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

Compare · Anabolic steroid

Stanozolol vs Testosterone

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

StanozololTestosterone
Evidence 8/10 10/10
ClassAnabolic steroidAnabolic steroid
SummaryStanozolol is an oral/injectable anabolic-androgenic steroid with a famous doping history; its physique reputation rests on weak evidence, while its harmful effects on lipids and the liver are robustly documented.Testosterone is the principal human androgen and the prototypical anabolic-androgenic steroid (AAS) — not a peptide — with strong, reproducible human evidence for dose-dependent muscle and strength gains, FDA approval only for confirmed hypogonadism, Schedule III control, and real cardiovascular, hematologic, and hormonal safety signals.
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Stanozolol

Stanozolol, sold under the brand name Winstrol, is a man-made anabolic-androgenic steroid (AAS, a lab-made relative of testosterone built to grow muscle) made from dihydrotestosterone. Most people know it from sports history: it's the steroid that cost Ben Johnson his 1988 Seoul Olympic 100 m gold…

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Testosterone

Testosterone is the body's main androgen (the main male sex hormone), and it's the molecule the whole family of anabolic-androgenic steroids (AAS) is built from. It's a steroid, not a peptide. Doctors have prescribed it for decades as replacement therapy for men whose bodies don't make enough — a…

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