Keifei Mastbolin Prop 100 Drostanolone Propionate

MASTERBOLIN 100 — Drostanolone Propionate

Chemical Name: Drostanolone Propionate | Dosage: 100mg/ml

Dosage Forms

• Multi-dose vial: 100mg/ml × 10ml
• Single-dose ampoule: 100mg/ml × 1ml

Presentation

• 10ml Multi-dose Vial: Clear vial with Keifei® wording on the side, sealed with a dark green cap stamped with Keifei®. Each vial comes with 2 sets of 10-digit authentication codes. Packed 10 vials per outer box (white & dark green).
• 1ml Single-dose Ampoule (100mg/ml): Each ampoule imprinted with three rings (white, green, white) and a white dot below. Available in packs of 3 ampoules (20 inner boxes = 60 ampoules per outer box) or 10 ampoules (10 inner boxes = 100 ampoules per outer box). Each inner box includes 1 set of 10-digit authentication codes.

About MASTERBOLIN 100

MASTERBOLIN 100 (Drostanolone Propionate) is a compound with moderate anabolic and low androgenic activity. It does not aromatize to estrogen, meaning water retention and gynecomastia are not a concern. This makes it highly valued among bodybuilders as a cutting agent, often used in the weeks leading up to competitions to enhance definition while dieting.

Recreational users may also benefit from MASTERBOLIN 100 due to its ability to provide consistent, high-quality muscle gains. When stacked with Nandrolin 250 or Equipbolin 200, users often experience solid muscle growth without excessive water retention. When combined with Testosterone or Dianabol, it can promote extreme muscle gain with lower estrogenic side effects compared to other stacks.

Benefits & Characteristics

• Non-aromatizing androgen — no risk of estrogen-related water retention or gynecomastia.
• Ideal as a cutting agent to enhance muscle hardness and definition.
• Supports steady gains in lean, high-quality muscle.
• Not liver toxic, placing minimal stress on the liver.

Side Effects

Side effects are generally mild. Potential androgenic effects may include:

• Oily skin
• Acne
• Facial or body hair growth
• Aggression
• Accelerated hair loss in predisposed individuals