What is MASTERMED E 200 (Drostanolone Enanthate)?
MASTERMED E 200 is Masteron on the long ester. The hardening compound, at twice-weekly injections instead of every other day.
Also sold as Masteron Enanthate, Mast E or drostanolone enanthate.
Drostanolone is a DHT derivative, which means it cannot aromatise at all. More than that, it binds to the aromatase enzyme itself, so it mildly reduces the estrogen produced by whatever else you are running. That is where the dry, hard look comes from: no water from the compound, and slightly less water from everything else. The enanthate ester is long, so twice a week holds levels steady.
MASTERMED E 200 benefits
- A visibly harder, drier look, which is the entire reason people run it
- Cannot aromatise, and mildly suppresses aromatisation of other compounds
- Holds strength through a deficit, so it earns its place in contest prep
- Adds no water at all, so what you gain is what you see
- Twice-weekly injections rather than the propionate’s every other day
MASTERMED E 200 dosage
- Standard
- 400 to 600mg per week
- Higher end
- 600 to 800mg per week
- Run alongside
- Testosterone as the base
- Frequency
- Twice weekly
- Half-life
- About 10 days
- Cycle length
- 10 to 12 weeks, timed to end lean
One ampoule is 200mg, so 400mg a week is two ampoules split across two injections.
Timing matters more than dose with this compound. It is run at the end of a cut, when body fat is already low enough for the effect to be visible.
Package content
- Ampoules
- 10 per box, 1ml (1cc) each
- Strength
- 200mg/ml
- Drostanolone per box
- 2000mg
- Carrier
- Miglyol 812
- Brand
- Deus Medical
At 400mg a week one box covers five weeks.
Store below 30°C. Protect from light. Do not freeze. Keep out of reach of children.
Who is MASTERMED E 200 for?
People finishing a cut who are already lean and want the last bit of hardness, and anyone running a long cycle who would rather not inject every other day for it.
The ampoule format keeps each dose sealed. Astera Labs sells the same 200mg/ml at the same price in a vial.
How to use MASTERMED E 200
Intramuscular injection, twice weekly. Rotate between glutes, quads and delts. The injection technique guide covers the technique.




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