Also doubled as a mild AI for me. Kept my estrogen sides non-existent.
Fat Loss
Mast Propionate 150mg, 10ml
Product benefits
Built for lean muscle, hardness, and faster Masteron timing.
Supports lean muscle retention
Mast Propionate uses Drostanolone Propionate, a DHT-derived anabolic-androgenic compound commonly selected during lean or recomp-focused phases.
May support a harder, drier look
Drostanolone is often selected by experienced users looking to support physique hardness and muscle definition when body composition is already dialed in.
Shorter propionate ester timing
The propionate ester gives this Masteron format a faster release window than enanthate versions.
AlphaStacks Mast Propionate
Mast Propionate 150mg/ml in a 10ml injectable vial.
Each sealed vial contains Drostanolone Propionate at 150mg per ml, with 10ml total volume and clear AlphaStacks labeling.
Product description
Mast Propionate 150mg, 10ml
Mast Propionate is an injectable Drostanolone Propionate product. Drostanolone is a DHT-derived anabolic-androgenic compound commonly associated with lean muscle retention and physique-hardening goals.
The propionate ester gives this Masteron format a shorter release window than enanthate versions. AlphaStacks Mast Propionate is supplied as 150mg/ml in a sealed 10ml vial.
Key benefits
- Supports lean muscle retention
- May support a harder, drier look
- Supports strength during recomp phases
- Supports conditioning-focused goals
- Shorter-acting drostanolone ester format
Product composition
Mast Propionate composition and formulation details.
Mast Propionate 150mg, 10ml is built around Drostanolone Propionate in a sterile oil-based injectable solution.
- Active ingredient: Drostanolone Propionate – 150mg/ml.
- Chemical formula: C23H36O3.
- Molecular weight: 360.5 g/mol.
- Solution base: Sterile oil-based solution intended for intramuscular injection.
- Inactive ingredients: May include a pharmaceutical-grade carrier oil, benzyl alcohol, and/or benzyl benzoate. The precise carrier oil and preservative concentrations vary by manufacturer and must match the product label or certificate of analysis.
Mast Propionate Canada
Mast Propionate injectable for lean muscle and conditioning support.
Mast Propionate 150mg, 10ml is an AlphaStacks injectable vial built around Drostanolone Propionate, 150mg/ml strength, 10ml total volume, sealed packaging, clear labeling, and tracked priority shipping.
150mg/ml strength
Mast Propionate presents its strength and format clearly through the product label and product details.
Shorter ester timing
The propionate ester gives this drostanolone format a faster release window than enanthate versions.
AlphaStacks presentation
Sealed AlphaStacks packaging, clear labeling, secure checkout, and tracked delivery.
Stacks Well With
Products that pair with Mast Propionate.
Related AlphaStacks products commonly paired with the same lean muscle and hardness goal.
Product reviews
Mast Propionate reviews.
“My libido actually went up on this. Great addition to the cycle.”
Selmer Crona Verified buyer
“You really see this shine once you're below 10% body fat. Unmatched hardening.”
Major Feest Verified buyer
“Also doubled as a mild AI for me. Kept my estrogen sides non-existent.”
Saul Heidenreich Verified buyer
“Alpha Stacks always provides the best. Highly recommended.”
Morgan Kessler Verified buyer
“Awesome synergy with Test and Tren. Smooth pinning experience.”
Osborne Kling Verified buyer
“Zero water retention. Gave my muscles a grainy, hard look.”
Barry Goyette Verified buyer
“Dosed accurately. No pip, just solid cosmetic changes.”
Torrey Okuneva Verified buyer
“Fantastic quality. Shipped securely and arrived exactly on time.”
Ross Von Verified buyer
“Dried me out perfectly. The ultimate finisher for my prep.”
Jarret Spencer Verified buyer
“Clean gear. Reordered three more vials before my competition.”
Norbert Dare Verified buyer
Mast Propionate 150mg, 10ml is an AlphaStacks injectable vial built around 150mg strength and 10ml format.
Mast Propionate is commonly selected by customers focused on lean muscle retention, physique hardness, and shorter-ester timing.
Key specs include 150mg/ml strength, 10ml vial format, Drostanolone Propionate, and sealed AlphaStacks labeling.
Mast Propionate belongs to the Fat Loss / Injectables category.
Mast Propionate 150mg, 10ml comes as a injectable vial with product-specific strength and package details shown on the label.
Related AlphaStacks products in the Stacks Well With section pair naturally with the same lean muscle and hardness goal.
Mast Propionate ships with discreet packaging, tracked priority delivery, and secure checkout support.
Reviews mention clean packaging, sealed presentation, clear labeling, quick tracking, and reliable delivery.
Mast Propionate stands out through its 150mg/ml strength, 10ml vial format, shorter drostanolone propionate ester, and clean AlphaStacks presentation.














