

Masteroxyl 200 mg – Extended-Release Cutting Support
Active Ingredient: Drostanolone Enanthate
Manufacturer: Kalpa Pharmaceuticals
Pack Size: 10 mL Vial (200 mg/mL)
Masteroxyl 200 mg is a long-acting injectable steroid containing Drostanolone Enanthate, developed for athletes seeking lean muscle preservation and hardness during cutting cycles. Compared to its Propionate counterpart, this ester allows for less frequent injections while still delivering consistent results.
Manufactured by the reputable Kalpa Pharmaceuticals, Masteroxyl is a go-to compound for users wanting to maintain muscle definition with minimal estrogenic side effects.
Typical dosage ranges from 400–600 mg per week, split into two injections. It's suitable for intermediate to advanced users during contest prep or leaning phases. For best results, pair it with a calorie-restricted diet and cardio-focused training.
For more on Drostanolone Enanthate's chemical profile and clinical background, refer to its listing on PubChem.
If you're building a contest-ready stack, explore our full range of injectables or head to our performance shop for the most reliable muscle-enhancing compounds.
The Enanthate version has a longer half-life, requiring fewer injections—typically twice per week. Propionate works faster but needs more frequent dosing (every other day).
No, Drostanolone does not aromatize. It offers a dry, hardening effect, making it ideal for pre-contest conditioning or beach-ready physiques.
Yes, Masteroxyl works well with compounds like Trenboxyl Enanthate or Stanoxyl Depot for advanced cutting results.
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