Mastabol 200 by British Dragon

British Dragon
Key Facts
ProductMastabol 200 (Drostanolone Enanthate / Masteron)ManufacturerBritish DragonStrength200 mg per mlPack10 ml vialFormInjectable oil solution (DHT-derived)Typical dose400-600 mg per week, twice weeklyHalf-LifeAbout 10 daysRoleLong-cycle hardening and drying
Manufacturer British Dragon
Brand Masteron
Substance Drostanolone Enanthate
Concentration 200 mg/ml
Pack Size 10 ml
Out of Stock

What Is Mastabol 200?

Mastabol 200 by British Dragon is drostanolone enanthate - the same Masteron molecule as Mastabol 100, but attached to a long enanthate ester and concentrated at 200 mg per ml. The hardening, drying and anti-estrogenic action is identical; what changes is the pharmacokinetics. Blood levels build gradually over the first two weeks, stay flat with twice-weekly dosing, and take 3-4 weeks to fully clear after the last injection.

That profile makes Mastabol 200 the version for longer, more convenient protocols: 10-16 week cycles where an athlete wants Masteron hardness running all the way through an off-season or extended contest prep without pinning every other day. If the goal is a short, fast-clearing cycle, the propionate version is the right tool - Mastabol 200 is about sustained quality over months.

Why the ester choice matters Twice-weekly dosing versus every-other-day changes the whole feel of a long cycle - fewer injections, a unified schedule with long-ester testosterone, and a smooth progressive hardening that builds from week two onward instead of hitting fast. The price is a longer detection window and a slower start.
  • Durable hardness - progressive drying and density across a 12-16 week run.
  • Convenient dosing - 200 mg/ml concentration means just two injections per week.
  • Zero aromatization - DHT structure cannot convert to estrogen at any dose.

Mastabol 200 Dosage

Effective totals sit between 400 and 600 mg per week. Because the ester clears slowly, pick two consistent injection days spaced 3-4 days apart - Monday and Thursday is the usual pattern - and keep them steady through the cycle.

Cycle TypeReference DoseSchedule
Addition to a long test base200 mgTwice per week (400 mg/week)
Standard long hardening cycle200 mg Most commonTwice per week (400 mg/week)
Extended contest prep250-300 mgTwice per week (500-600 mg/week)
Upper performance range300 mgTwice per week (600 mg/week)

Cycle Length

Mastabol 200 is built for 10-16 week protocols. The first dose does not hit like propionate - full effect settles in around weeks 2-3 as blood levels stabilize, which is exactly why it pairs with long-ester testosterone rather than short-cycle designs. When the cycle ends, remember the ester: clearance takes 3-4 weeks, so plan PCT accordingly and do not start it the day after the last injection.

Mastabol 200 Stacks

Every partner below comes from the same British Dragon line and shares compatible long esters, so the whole protocol runs on one injection schedule from one source.

StackGoal
Mastabol 200 + Testabol EnanthateClassic 12-16 week lean hardening cycle
Mastabol 200 + Testabol DepotLow-injection-frequency mass and quality
Mastabol 200 + Sustabol 350Multi-ester base with a dry finish
Mastabol 200 + Primobol InjectClean, dry quality mass, no bloat
Mastabol 200 + Turanabol TabletsStrength and density without water
Mastabol 200 + Oxanabol TabletsFinal-phase hardening for contest prep

For short, fast-clearing protocols British Dragon offers the same molecule as Mastabol 100 - choose propionate for tight cycles and enanthate for long ones.

Mastabol 200 Side Effects

The side effect profile matches the whole DHT class: androgenic effects dominate, and the estrogenic category simply does not exist for this compound.

Androgenic sensitivity Acne, extra body and facial hair, and accelerated hair loss in men with a genetic predisposition. The hair-loss component is the permanent one - if male pattern baldness runs in the family, treat this as the deciding factor before committing to a long Masteron run.
  • Lipids - HDL reduction and LDL increase at standard doses, amplified at 600 mg per week.
  • Full suppression - exogenous androgen shuts down natural testosterone; PCT is mandatory.
  • Longer detection - the enanthate ester is detectable for roughly 3 months, relevant if testing applies.
  • Gradual onset - patience needed in the first weeks; effects build rather than hit.
PCT after Mastabol 200 Wait 3-4 weeks after the last injection for the enanthate ester to clear, then run Clomiphene Tablets or Tamoxifen Tablets for 4 weeks. If a testosterone base was part of the cycle, apply standard estrogen management to that component during and after.

This page is a product reference for research purposes. It does not replace medical advice, bloodwork review or local laws.

What is the practical difference between Mastabol 200 (Enanthate) and Mastabol 100 (Propionate)?

The active compound — Drostanolone — is identical. The ester determines the timeline. Mastabol 100 (Propionate) has a 2–3 day half-life and requires every-other-day injection. It builds and clears quickly, making it ideal for short, competition-timed protocols. Mastabol 200 (Enanthate) has a ~10 day half-life and requires only twice-weekly injection. It builds gradually, pairs with long-ester testosterone and injectable cycles, and suits 12–16 week extended protocols. The detection window also differs significantly: ~3 weeks for Propionate vs ~3 months for Enanthate.

Does Mastabol 200 aromatize or cause water retention?

No — Drostanolone is structurally derived from DHT, which cannot aromatize regardless of ester. Mastabol 200 produces zero estrogen conversion and zero water retention from the compound itself. In fact, Drostanolone competes with estrogen at receptor sites, which partially reduces the estrogenic activity of other aromatizing compounds in the same stack. It will not replace a proper aromatase inhibitor on high-aromatization cycles, but it does reduce the AI dose required.

How long does it take for Mastabol 200 to start working?

Because the Enanthate ester releases slowly, blood levels build over the first 10–14 days. The hardening and drying effect typically becomes perceptible in weeks 2–3 of the cycle and continues to improve as levels stabilize. This gradual onset is the principal trade-off versus Mastabol 100, which produces noticeable effects within the first week. For long cycles, the delay is insignificant — the effect persists throughout the entire cycle once levels are established.

Can Mastabol 200 be used as a standalone compound without testosterone?

Short standalone protocols of 4–6 weeks are used by some experienced athletes, accepting the testosterone suppression for that period. For cycles lasting 10–16 weeks — the natural length of a long-ester Drostanolone cycle — running without testosterone is not advisable. Complete testosterone suppression over an extended period causes significant hormonal disruption, loss of libido, and impaired recovery. A testosterone base is the standard protocol for any Mastabol 200 cycle of meaningful length.

Why is the detection time for Mastabol 200 so much longer than Mastabol 100?

Detection time is determined by how long it takes the body to metabolize and excrete a compound. The Enanthate ester is metabolized more slowly than Propionate, releasing Drostanolone into circulation over a longer window. Even after the compound's pharmacological effects have ended, metabolites remain detectable in urine for approximately 3 months. Mastabol 100's Propionate ester clears in roughly 3 weeks. Athletes planning their cycle timing around testing windows or their next cycle should account for this difference carefully.

How long does it take for Mastabol 200 to work?

Most users notice the first effects within the first one to two weeks of dosing.

What are the most common side effects of Mastabol 200?

The side profile depends on the compound class - the Side Effects section on the product page above covers the exact watchpoints for mastabol.

How long does Mastabol 200 stay in your system?

Oral compounds clear within days of the last dose; injectable esters extend detection to weeks or months depending on the ester.

Where to buy Mastabol 200 online?

British Dragon Mastabol 200 is available in this shop with international and domestic shipping.