Drostanolone (Masteron)
FROM THE REEL TO THE RESEARCH
The quick answer, with the evidence attached.
Both belong to the anabolic-androgenic steroid family, but their reputations are much more alike than their evidence bases. Methenolone has small human rehabilitation studies relevant to muscle. The drostanolone human studies reviewed here concern other endpoints. Neither provides a reliable healthy-lifter head-to-head comparison of muscle growth.
From Primo vs Masteron · Editorial update 2026-10-16
Related comparisons (1)
- Primo vs Masteron — Similar roots. Different evidence.
What it is & what research shows
Reference overviewDrostanolone is an anabolic-androgenic steroid. The sources checked for this first profile pass document its metabolites and laboratory metabolism, rather than a current approved human product label. The checked literature concerns analytical detection and metabolism of drostanolone in human urine and human liver-cell systems. Those studies do not establish a clinical use or performance benefit. [1.1][1.2]
A source-verified human half-life and a validated therapeutic indication were not identified in the sources used here. Do not substitute half-life values from another ester or infer human effects from analytical or cell studies. A source-linked study result with a verified dose and schedule is not yet available in this overview. This is a gap in this page, not a claim that no research exists. [2.1][2.2]
Sources & reading scope
- [1.1] Liu et al., drostanolone urinary metabolites (2016)Human analytical study · urinary metabolism
- [1.2] Gauthier et al., drostanolone biotransformation (2009)Laboratory study · human hepatocytes
- [2.1] Liu et al., drostanolone urinary metabolites (2016)Human analytical study · urinary metabolism
- [2.2] Gauthier et al., drostanolone biotransformation (2009)Laboratory study · human hepatocytes
Study-summary coverage
No completed study summaries are linked to this compound page yet. This is a coverage gap on PED Evidence, not evidence that human studies or other research do not exist.
Filter, save and compare Drostanolone studies →More about Drostanolone: identity, safety & reference details
Also known as Drostanolone propionate · drostanolone enanthate · Masteron · Drostanolone enanthate
Start with the research
An outcome-specific synthesis has not been prepared for this compound. This is a coverage gap, not evidence that it has no effect.
Open studies and trial records- Uses & research
The checked literature concerns analytical detection and metabolism of drostanolone in human urine and human liver-cell systems. Those studies do not establish a clinical use or performance benefit. [1][2]
- Known half-life
No source-verified value in this profile yet. A treatment schedule or duration of an effect is not a drug half-life.
Half-life describes how quickly the measured drug concentration falls by half. It does not set a dosing interval.
Safety & evidence boundaries
A source-verified human half-life and a validated therapeutic indication were not identified in the sources used here. Do not substitute half-life values from another ester or infer human effects from analytical or cell studies.
Explore safety questions by system
These are literature filters, not claims that this compound causes each effect. A keyword match is not a confirmed adverse reaction.
Identity, names & formulations
Canonical compound: Drostanolone · drostanolone
Searchable names: Drostanolone propionate, drostanolone enanthate, Masteron, Drostanolone enanthate
Names share a parent research page. Different esters, salts, routes and brands are not assumed to have the same half-life, indication or exposure.
- Drostanolone propionateInjectable · MasteronFind this formulation in the archive
- Drostanolone enanthateInjectable · Named formulationFind this formulation in the archive
Research subject only. Excluded from evidence-leader and supportive-compound recommendations.
Combination evidence stays attached to the studied combination. It is not automatically assigned to each ingredient.
Understand the evidence types
Read the model and design first, then the population, outcome and limitations. These categories describe evidence, not a best-compound ranking.
- Randomized human trials
- Compare assigned interventions. Randomization does not by itself establish low bias or relevance to every population.
- Controlled human studies
- Use a comparison group; allocation and confounding still matter.
- Prospective human research
- Follows participants forward. It may be observational or interventional, so this is not a separate quality grade.
- Observational human research
- Describes associations. Confounding can explain differences.
- Case reports and series
- Useful for unusual events and safety signals, not reliable rates or effect sizes.
- Animal research
- Can test biology and function in a living model. Human exposure, benefit and safety remain separate questions.
- Cell and tissue research
- Tests responses in a preparation, including human-derived cells. It is not a human participant trial.
- Mechanistic and computational evidence
- Helps explain or predict a pathway; predictions need experimental and clinical testing.
- Anecdotal reports
- Self-reported experiences can generate questions. Product identity, selection bias and other interventions may be uncontrolled.
Systematic reviews synthesize studies and depend on their quality. Preprint status and abstract versus full-paper reading are separate labels. Citation popularity measures attention, not reliability. A study summary is not a formal quality appraisal.
Sources for this profile
- 1. Liu et al., drostanolone urinary metabolites (2016) Human analytical study · urinary metabolism
- 2. Gauthier et al., drostanolone biotransformation (2009) Laboratory study · human hepatocytes
Reference facts checked 2026-09-16. Source scope is listed above; this is not a formal quality appraisal. See each label for full prescribing information.
Study model describes the source. Confidence depends on methods, replication, population and outcome.
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