MASTAPLEX 100 – XT Labs USA
MASTAPLEX 100 by XT Labs USA is an injectable product containing 100mg of Drostanolone Propionate per mL in a sterile oil-based formulation. Manufactured by XT Labs USA, it is produced under quality-controlled manufacturing standards. Drostanolone Propionate is the short-acting propionate ester of drostanolone, an anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT), and has been studied for its pharmacological characteristics, metabolism, and androgen receptor activity.
Product Highlights
- Brand: XT Labs USA
- Product Name: MASTAPLEX 100
- Active Compound: Drostanolone Propionate
- Strength: 100mg/mL
- Dosage Form: Injectable Solution
- Compound Class: Anabolic-Androgenic Steroid (AAS)
- Manufactured under quality-controlled production standards
Product Information
MASTAPLEX 100 contains 100mg of Drostanolone Propionate per milliliter in a sterile injectable formulation. The propionate ester provides a relatively short duration of action compared with longer esters such as drostanolone enanthate. Historically, drostanolone propionate has been investigated for its pharmacokinetic profile, androgen receptor binding, metabolism, and biological activity.
The exact vial size, total content, carrier oils, excipients, and packaging may vary depending on the production batch. Users should verify these details using the product label or the manufacturer’s documentation before use.
Community discussions have reported mixed experiences with XT Labs products, emphasizing the importance of verifying authenticity through the manufacturer’s product verification features where available and purchasing only from reputable suppliers.
Product Specifications
| Specification | Details |
|---|---|
| Product Name | MASTAPLEX 100 |
| Brand | XT Labs USA |
| Active Compound | Drostanolone Propionate |
| Strength | 100mg/mL |
| Dosage Form | Injectable Solution |
| Compound Class | Anabolic-Androgenic Steroid (AAS) |
| Manufacturer | XT Labs USA |
Storage Instructions
- Store according to the manufacturer’s recommendations.
- Keep in a cool, dry place away from direct sunlight.
- Protect from excessive heat and freezing.
- Keep the vial tightly sealed until use.
- Keep out of the reach of children.
Important Information
Drostanolone Propionate is a prescription-regulated anabolic-androgenic steroid in many jurisdictions. It is not approved for bodybuilding or performance enhancement, and misuse may result in serious health risks. Always comply with applicable laws and follow the manufacturer’s guidance regarding handling, storage, and product verification.



