Mast-E200
Specifications:
-
Packaging:
1 vial / 10 ml -
Concentration:
200 mg/ml -
Active Substance:
Drostanolone Enanthate -
Active Half-life:
4-7 days -
Group:
Injectable Line -
Subgroup:
Masterones -
Recommended Dosage:
300-600mg per week -
Oil-based:
Grapeseed oil -
Retains water:
No -
Aromatization:
No
Product Description:
What it is and How it Works
Masteron Enanthate (Drostanolone Enanthate) is a long-acting DHT-derived anabolic steroid. It is best known for its hardening and physique-enhancing effects, making it a popular choice during cutting cycles and contest preparation. As a derivative of dihydrotestosterone (DHT), Masteron does not aromatize into estrogen, which means it helps create a lean, dry look without water retention.
By binding to androgen receptors, Masteron enhances protein synthesis and fat metabolism. It is mildly anabolic but strongly androgenic, giving users improved vascularity, muscle density, and definition rather than massive size gains.
Potential side effects include hair loss and acne in those genetically prone, as well as possible increases in LDL cholesterol and cardiovascular strain. Since it does not convert to estrogen, estrogenic side effects like gynecomastia and bloating are not a concern.
How is it used?
With the Enanthate ester, Masteron has a medium to long half-life, allowing injections every 3 to 5 days, though some users inject twice per week for convenience. It is always stacked with Testosterone and other cutting compounds to enhance physique detail and improve body composition.
Because of its mild anabolic nature, Masteron is rarely used in bulking cycles. Its primary role is to complement stronger compounds by enhancing muscle hardness and improving the overall look of the physique.
Dose
This product is dosed at 200mg/ml × 10ml. Typical cycles range from 300 to 600mg per week, often alongside Testosterone. Higher doses are possible but generally unnecessary, as Masteron’s benefits are more aesthetic than size-focused.
Advice From BTW
- Best for cutting
Masteron shines when body fat is already low, as its hardening effects are most visible in lean physiques.
- Stack smart
Combine with Testosterone or other non-aromatizing compounds for a sharper look and better results.
- Not for bulking
Do not expect large weight gains. Its value is in quality, not quantity.
- Watch your hairline
As a DHT derivative, Masteron can accelerate hair loss in those predisposed to male pattern baldness.
- Keep health in check
Monitor cholesterol and cardiovascular markers, as DHT derivatives can negatively impact lipid balance.
FAQs
- What makes Masteron different from Testosterone?
Masteron does not aromatize to estrogen, so it provides a dry, hard look, whereas Testosterone can cause water retention and estrogenic side effects.
- Is Masteron only useful for cutting?
Yes, it is primarily valued for cutting and contest prep. It does not provide significant bulking benefits, although it can still build a modest amount of lean muscle mass.
- Can Masteron replace an AI?
In some cases, yes. Masteron’s anti-estrogenic properties may reduce the need for aromatase inhibitors, though this depends on the individual and the cycle.
- Is Masteron harsh on health?
It is not liver toxic, but as a DHT derivative, it can impact cholesterol and hair health. Proper monitoring and support are recommended.
- Does Masteron work well as a standalone cycle?
Not usually. It is mild in terms of muscle growth, it does not convert to estradiol (which is necessary at healthy levels) and works best stacked with Testosterone or other compounds.
Protection code:

How it works:
BTW Labs prioritizes consumer well-being and continually develops various protective measures for its products, ensuring both patient safety and trust in the verification of our products.
Why Choose Us?
How it works:
We take pride in providing products that meet the highest standards of quality and consistency. Every batch is third-party tested to ensure accurate dosing and purity, so you know exactly what you are putting into your body. Our packaging is designed for both safety and discretion, and our customer support team is always available to provide guidance. Whether you are a beginner or an advanced athlete, choosing us means choosing reliability, trust, and a partner who values your performance and well-being.