Toro Labs Masteron Propionate (Drostanolone Propionate) is a fast-acting DHT-derived injectable oil prized for its hardening, drying and anti-oestrogenic properties, a staple in cutting and competition preparation research, supplied as a 10ml oil vial at 100mg/ml. HPLC tested and authenticated on every batch.
Key details
- 100mg/ml injectable oil, 10ml vial
- Drostanolone Propionate short-ester
- Batch tested via HPLC analysis
- Toro Labs authenticated product
Research benefits
- Significant muscle hardening and definition
- Inherent anti-oestrogenic properties
- Reduces water retention for a dry vascular look
- Ideal for cutting and pre-competition phases
Suggested protocol
- Typical dose 300mg to 500mg per week
- Intramuscular injection every other day
- Deep site rotation recommended
- Cycle length 8 to 10 weeks
About Masteron Propionate 100mg/ml
Masteron Propionate 100mg/ml is drostanolone propionate, a short acting injectable ester in an oil carrier. It carries a strength of 100mg/ml. It is part of the Toro Labs range, our own house brand, and Express Peds is an official re-seller. Ordered before 2pm Monday to Friday it is dispatched the same day from the UK, sent Royal Mail Tracked 24 in plain unbranded packaging.

