Drostanolone Propionate 100 mg
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- Brand: ASTERA LABS
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- Model: AL DROSTANOLONE PROPIONATE
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What is Drostanolone Propionate 100 (Astera Labs)?
Astera Labs drostanolone propionate at 100mg/ml, in a 10ml vial. Short-ester Masteron, in the format that lets you draw part doses.
Also sold as Masteron Propionate, Mast P or drostanolone propionate.
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 propionate ester is short, so it is in and out within days and every-other-day injections are the norm.
Drostanolone Propionate 100 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
- Short ester, so the effect can be timed precisely to a date
- Draw 50mg as half a millilitre rather than discarding half an ampoule
Drostanolone Propionate 100 dosage
- Standard
- 100mg every other day, which is 1ml
- Weekly equivalent
- Roughly 350 to 400mg
- Higher end
- 150mg every other day
- Run alongside
- Testosterone as the base
- Frequency
- Every other day
- Half-life
- 2 to 3 days
- Cycle length
- 8 to 10 weeks at the end of a cut
At 100mg/ml, 1ml is 100mg. The vial helps if you are running 50mg or 150mg, where ampoules force you to waste part of one or open two.
The short ester is why this is the contest-prep version: it reaches full effect in about a week and clears just as fast, so it can be timed to a specific date.
Package content
- Vial
- 10ml sterile multidose
- Strength
- 100mg/ml
- Drostanolone per vial
- 1000mg
- Carrier
- Miglyol 812
- Brand
- Astera Labs
At 100mg every other day one vial covers 20 days.
Store below 30°C. Protect from light. Do not freeze. Keep out of reach of children.
Who is Drostanolone Propionate 100 for?
Anyone timing a peak to a date: contest prep, a shoot, a holiday.
MASTERMED P 100 is the same 100mg/ml at the same price in sealed ampoules. The ampoules win at a flat 100mg dose, this vial wins at anything else.
How to use Drostanolone Propionate 100
Intramuscular injection, every other day. Wipe the stopper before every draw, which matters here because you are entering it often, and rotate sites. The injection technique guide covers it.
Frequently asked questions
Will Masteron make me look harder?
Only if you are already lean enough for it to show. Drostanolone does not remove fat, it removes water and slightly lowers estrogen, and both of those are only visible under skin that is already thin.
Somewhere around ten to twelve percent body fat is where people start noticing it. Above fifteen, most report nothing at all.
Does it aromatise?
No. Drostanolone is a DHT derivative and cannot convert to estrogen at all. It also binds the aromatase enzyme, which mildly reduces conversion from other compounds in the cycle.
That is a genuine secondary benefit rather than marketing, though it is not strong enough to replace an aromatase inhibitor if you need one.
Will it cause hair loss?
If you are predisposed, it is one of the more likely compounds to accelerate it. Drostanolone is strongly androgenic as a DHT derivative, and that is exactly the pathway male-pattern loss runs on.
If hair matters to you and it already runs in the family, this is a compound to think twice about rather than one to add casually to a cycle.
Why is propionate the contest prep version?
Because it can be timed. The short ester reaches full effect in about a week and clears in a few days, so you can start and stop it against a specific date.
Enanthate is easier to run but takes two to three weeks to reach full effect and the same to clear.
Vial or ampoules?
At a flat 100mg every other day, an ampoule is exactly one dose and stays sealed until use.
The vial wins at 50mg or 150mg, where ampoules mean waste or opening two.