British Dragon Mastabol Masteron 100 and 200 mg 10 ml Vials

Name: British Dragon Mastabol Masteron 100 and 200 mg 10 ml Vials
Brand: British Dragon
SKU: OFFER-8389
Availability: OutOfStock

Injection · 100 mg/ml · 10 ml

Out of stock

British Dragon Mastabol is drostanolone in two ester options: Propionate 100 for every-other-day shots and Enanthate 200 for twice-weekly dosing. Neither ester aromatises, so the look it is used for is dry and hard rather than full.

Each option is a 10 ml multi-dose vial. GMP-manufactured and HPLC-verified, with a Certificate of Analysis on file per batch. Mastabol for sale with international shipping at GenXXLGear.

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Product overview

British Dragon Mastabol - Drostanolone Propionate and Enanthate

British Dragon Mastabol is drostanolone, a DHT-derived injectable androgen that does not aromatise at all. It is offered here as two ester options: Propionate 100 for short, frequent injections, and Enanthate 200 for a longer release and a twice-weekly schedule. In the project material the class is used for hardness, definition and vascularity at the end of a cutting phase, where it is normally paired with a testosterone ester such as Testabol rather than injected on its own.

Two ester options - Propionate 100 and Enanthate 200
DHT-derived injectable, oil-based, deep intramuscular
Does not aromatise, so no water retention and no gynaecomastia from this compound
GMP-manufactured and HPLC-verified, COA on file per batch

How Drostanolone Works

Because the molecule is a DHT derivative, it is not a substrate for the aromatase enzyme, so it cannot be converted to oestrogen and a course built on it does not call for an aromatase inhibitor. What it does instead is drive the androgen signal hard: it supports the dry, defined look that a pre-contest phase aims for, and it is often stacked with a compound that does the mass work. The limiting factor is the symptom set of strong androgens - acne, hair loss in those predisposed and a shift in blood lipids with HDL falling. The project material puts drostanolone beside the far milder Primobolan and beside Anavar when the goal is a gentler finish.

Variant Comparison

Both options are drostanolone and differ in the ester chain, which sets the injection rhythm.

Variant	Concentration	Ester	Half-Life	Injection Rhythm
Mastabol Propionate 100	100 mg/ml	Propionate	About 2 days	Every other day
Mastabol Enanthate 200	200 mg/ml	Enanthate	7 to 10 days	Twice weekly

Dosage & Administration

Community ranges sit between 300 and 600 mg per week for either ester, with the propionate split into alternate-day shots because it clears in about two days and the enanthate holding twice weekly because it lasts the best part of a week. Courses of six to ten weeks are usual for the short ester and ten to sixteen for the long one. Drostanolone is rarely the whole plan; a testosterone ester provides the base and a defined oral such as Winstrol is often added for a short block at the end. Suppression of natural production still happens, so recovery is Nolvadex 20 mg daily for four weeks or Clomid as the alternative.

For laboratory research only. Consult a healthcare professional before use. Figures quoted are community protocols and research references, not a prescription.

Specifications

Trade Name	Mastabol
Generic Name	Drostanolone propionate / enanthate
Manufacturer	British Dragon
Formulations	Propionate 100, Enanthate 200
Dosage	100 mg/ml or 200 mg/ml
Package	10 ml multi-dose vial
Drug Class	DHT-derived injectable androgen, non-aromatising
Administration	Deep intramuscular injection
Storage	Room temperature, away from light and heat
Prescription Status	Controlled anabolic steroid, not a licensed medicine
Verification	GMP production, third-party HPLC, COA per batch
Shipping	International and U.S. domestic options, handling 1-2 days

Stacks

Dry Finish With Testabol

Mastabol Propionate 100 at 100 mg every other day beside Testabol Propionate 100, an eight-week block where the short esters clear quickly at the end.

Expected outcome: a harder, drier look with no water load from the drostanolone itself.

Long Ester Cutting Run

Mastabol Enanthate 200 twice weekly with a trenbolone ester such as Trenabol, a twelve-week arrangement that avoids the alternate-day schedule of the propionate.

Expected outcome: steady conditioning over a longer block with fewer injections.

Recovery After Mastabol

Drostanolone suppresses natural testosterone like any androgen, so the run ends with Nolvadex 20 mg daily for four weeks or Clomid, started once the chosen ester has cleared.

Expected outcome: endogenous testosterone returns over about four weeks.

FAQ

Before you ask

Questions, answered

Mastabol is drostanolone, a DHT-derived injectable androgen, sold in two options: Propionate 100 and Enanthate 200. Each is a 10 ml multi-dose vial of oil. Both options are the same active substance with a different ester chain, and the ester is what decides how often the vial has to be used rather than what the compound does.

The propionate clears in about two days, so it needs an alternate-day rhythm and suits a short, sharp block at the end of a phase. The enanthate lasts seven to ten days, so two shots a week hold a steady level over a longer run and leave the body faster than a decanoate would. Pick by how much injection frequency the schedule tolerates.

No, and that is the whole point of the compound. Drostanolone does not aromatise, so it cannot be turned into oestrogen and it does not add water or breast tissue on its own. Any bloating or gynaecomastia during a run built around it comes from the testosterone base or another aromatising compound in the same stack, not from Mastabol.

The reported problems are those of a strong androgen: acne, oily skin and hair loss in people who are predisposed to it. Blood lipids shift unfavourably, with HDL falling and LDL rising, and the liver values are not the main issue for this compound. Natural testosterone production is suppressed. Hair, skin and lipid changes are the signals usually monitored, and persistent symptoms are a reason to stop and get medical advice.

Yes. Drostanolone is an androgen and it shuts down natural production while it is running, so the course closes with a SERM protocol: tamoxifen 20 mg daily for four weeks or clomiphene as the alternative. Wait until the ester has cleared, which is only a few days after propionate but closer to two weeks after the enanthate. Blood work after recovery tells you whether the axis has restarted.

Both ester options are listed on this page. Availability is shown on the product page, and where an option is out the page takes an email address for restock notices. Delivery details sit in the product data: international shipping and a U.S. domestic route where stock allows, with handling of one to two business days after an order is placed.

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