Drostanolone Propionate 100 mg/ml – 10 ml Vial | Masteron | Bull Pharma

Lean Muscle • Hardening Effect • Competition-Ready Conditioning

 Product Overview

Drostanolone Propionate — widely known as Masteron — is a premium DHT-derived anabolic steroid valued for its powerful muscle-hardening, anti-estrogenic, and cutting-phase benefits. Manufactured by Bull Pharma, this injectable formula provides 100 mg/ml of fast-acting hormone, ideal for pre-contest or lean-bulk enhancement.

Because it does not aromatize and even offers natural anti-estrogenic support, Masteron is a favorite among athletes seeking a dry, sharp, aesthetic physique.

 Product Details

• Active Ingredient: Drostanolone Propionate

• Manufacturer: Bull Pharma USA

• Pack Size: 10 ml vial

• Strength: 100 mg/ml

• Form: Injectable (Propionate Ester)

 What Is Drostanolone Propionate?

Drostanolone Propionate is a DHT-based anabolic steroid originally developed for breast-cancer treatment due to its strong anti-estrogenic activity. In bodybuilding, it is used to:

• Enhance muscle hardness

• Reduce water retention

• Improve vascularity and definition

• Support “dry” lean muscle growth

Masteron is extremely popular during cutting cycles and competition prep, where users aim for sharp, ultra-defined conditioning.

Benefits of Drostanolone Propionate

✔ Muscle Hardening & Definition – Achieves a dry, granite-like appearance.
✔ Anti-Estrogenic Support – Helps prevent water retention and estrogen-related issues.
✔ Lean, High-Quality Muscle Gain – Ideal for clean bulking.
✔ Enhanced Strength & Performance – Supports power without adding bloat.
✔ Great for Stacking – Pairs well with both cutting and bulking compounds.
✔ Low Liver Toxicity – No need for liver support supplements.

Masteron is especially effective when body fat is already low, maximizing its hardening effect.

Dosage & Administration

Because this formula uses the Propionate ester, frequent injections are required to maintain stable blood levels.

Recommended Dosage

• 300–500 mg per week

• Typically 75–150 mg every other day

Cycle Length

• 6–12 weeks

• 8 weeks is the most common protocol.

Popular Stacks

For Cutting:

• Masteron + Primobolan

• Masteron + Winstrol

• Masteron + Trenbolone Acetate

• Masteron + Testosterone Propionate

For Lean Bulking:

• Masteron + Boldenone

• Masteron + Nandrolone Decanoate

• Masteron + Testosterone Enanthate

Masteron works exceptionally well in cycles aimed at dry gains with minimal estrogenic effects.

Possible Side Effects

Masteron is generally mild, but androgenic side effects may occur:

• Acne or oily skin

• Increased body or facial hair

• Accelerated hair loss (DHT-sensitive users)

• Mild aggression elevation

Tip for Hair-Loss-Prone Users

Some individuals use Finasteride (Proscar) to help reduce DHT-related hair loss.

 Safety Notes

• Not recommended for women due to virilization risk.

• Ideal for users with moderate to advanced cycle experience.

• Always use PCT (Clomid + Nolvadex) after your cycle.

Drostanolone Propionate is only intended for individuals who understand proper steroid cycling and monitoring.