Masteron (Drostanolone Propionate)
2α-methyl-4,5α-dihydrotestosterone propionate. Anabolic Androgenic Steroid (AAS), dht derivative.
This page describes what Masteron (Drostanolone Propionate) is and its known risks. It is not medical advice and not a guide to using it. Many of these substances are prescription-only or illegal to use without a prescription. Speak to a doctor.
- Class
- Anabolic Androgenic Steroid (AAS)
- Legal status
- Schedule 4 (South Africa) / Schedule III (USA)
- Half-life
- 2-3 days
- Liver strain
- Low
- Kidney strain
- Low
- Converts to estrogen
- None
- Suppresses natural hormones
- Yes
Medical uses
- Breast cancer treatment (historical)
What it does in the body
Anabolic
- Muscle hardness and density
- Fat loss (mild)
- Increased strength
- Increased vascularity
- No water retention
- Anti-estrogenic effects
Androgenic
- High androgenic activity
- Increased libido
- Improved mood
Forms, half-life and detection
| Form | Half-life | Reported detection window |
|---|---|---|
| Injectable (Intramuscular) | 2-3 days | 3-4 weeks |
Side effects and health risks
Estrogenic
- None (anti-estrogenic)
Androgenic
- Acne
- Accelerated hair loss (DHT derivative)
- Oily skin
- Prostate enlargement
Heart and blood vessels
- LDL increase
- HDL decrease
- Increased blood pressure
Hormones and fertility
- Testosterone suppression
- Testicular atrophy
Mood and mind
- Increased aggression (mild)
- Improved mood
Blood tests worth monitoring
From its known properties, these are the markers doctors commonly check. Getting blood work before, during and after is how problems are caught early.
- Androgens tend to lower HDL, raise LDL and thicken the blood: HDL Cholesterol, LDL Cholesterol, Hematocrit, Hemoglobin
- Shuts down natural production (PCT needed): Total Testosterone, LH, FSH
Related compounds
- Masteron Enanthate (Drostanolone Enanthate)
- Primobolan (Methenolone Enanthate)
- DHB (1-Testosterone / Dihydroboldenone)
Questions
What is the half-life of Masteron (Drostanolone Propionate)?
About 2-3 days. Half-life is the time for the level in the blood to fall by half.
How long is Masteron (Drostanolone Propionate) detectable?
Testing windows of 3-4 weeks are reported, depending on the test and the person.
Is Masteron (Drostanolone Propionate) legal?
Schedule 4 (South Africa) / Schedule III (USA). Laws differ by country and change; check the rules where you live.
What blood tests matter with Masteron (Drostanolone Propionate)?
Based on its properties, these markers are commonly monitored: HDL Cholesterol, LDL Cholesterol, Hematocrit, Hemoglobin, Total Testosterone, LH and FSH. A doctor can order and interpret them.
What are the side effects of Masteron (Drostanolone Propionate)?
Estrogenic: none (anti-estrogenic). Androgenic: acne, accelerated hair loss (dht derivative) and oily skin. Heart and blood vessels: ldl increase, hdl decrease and increased blood pressure.
For information only, not medical advice. MyoStats is a tracking tool used at your own discretion. Speak to a doctor before changing your training, diet, medication or anything you take.