Oils

Masteron Enanthate

Name: Masteron Enanthate
Brand: Quanta Pharmaceuticals

Drostanolone Enanthate, a DHT-derived hardening compound triple lab-verified at 98% purity and 213.79mg/ml.

Masteron Enanthate (Drostanolone Enanthate) is a long-acting DHT-derived injectable studied for its hardening, anti-oestrogenic, and aesthetic effects. Each 10ml vial is supplied at 200mg/ml, with the enanthate ester giving a 7-10 day half-life suited to twice-weekly dosing. This batch was independently verified by two separate laboratories: raw material confirmed at 98% purity, and the finished vial assayed at 213.79mg/ml — roughly 107% of the 200mg/ml label claim.

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Independent laboratory documentation

Certificates of Analysis

View the laboratory reports currently published for this product.

Raw Material Analysis

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Specifications

Vial Size

10ml

Concentration

200mg/ml

Half-Life

7-10 days

Administration

Intramuscular

Research Benefits

Hardening effect — Studied for producing a dense, defined appearance valued in contest-preparation research.
No aromatisation — A DHT derivative that cannot convert to oestrogen, avoiding water retention.
Mild anti-oestrogenic activity — Investigated for a secondary aromatase-inhibiting effect when stacked with aromatising compounds.
Twice-weekly dosing — A 7-10 day half-life allows stable levels with just two injections per week.
Independently verified — Confirmed by two separate laboratories at 98% raw purity and 213.79mg/ml finished content.

How It Works

Drostanolone Enanthate is dihydrotestosterone (DHT) modified with a methyl group at carbon 2, which increases its anabolic activity while retaining strong androgen receptor binding. As a DHT derivative, it cannot be converted to oestrogen by aromatase, so research consistently reports an absence of water retention or bloating.

The enanthate ester provides a 7-10 day half-life, supporting stable blood levels from two injections per week. Drostanolone also displays mild aromatase-inhibiting activity of its own, a secondary property studied for its potential to reduce oestrogenic side effects when stacked with compounds that do aromatise.

⚠ For Research Use Only

This product is supplied strictly for in-vitro laboratory and preclinical research use. It is not a drug, food, dietary supplement, or cosmetic, and is not intended for human or animal consumption, diagnosis, treatment, or prevention of any disease. Masteron Enanthate must be handled only by qualified individuals trained in proper laboratory safety procedures.

By purchasing, the buyer confirms this product is being acquired for legitimate research purposes and assumes full responsibility for its handling, storage, and use in compliance with all applicable local, national, and international laws.