Winstrol (Stanozolol)
17α-methyl-17β-hydroxy-5α-androst-2-eno[3,2-c]pyrazole. Anabolic Androgenic Steroid (AAS), oral/injectable 17α-alkylated dht derivative.
This page describes what Winstrol (Stanozolol) 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
- 8-9 hours
- Liver strain
- High (both oral and injectable)
- Kidney strain
- Low-Moderate
- Converts to estrogen
- None
- Suppresses natural hormones
- Yes
Medical uses
- Hereditary angioedema
- Anemia
- Muscle wasting
What it does in the body
Anabolic
- Muscle hardness and density
- Strength increase
- Fat loss (mild)
- No water retention
- Increased vascularity
- Enhanced athletic performance
Androgenic
- Moderate androgenic activity
Forms, half-life and detection
| Form | Half-life | Reported detection window |
|---|---|---|
| Oral | 8-9 hours | 3 weeks (oral), 2 months (injectable) |
| Injectable (Intramuscular - water-based) | 24 hours | 2 months |
Side effects and health risks
Estrogenic
- None
Androgenic
- Acne
- Hair loss (DHT derivative)
- Oily skin
Heart and blood vessels
- Significant LDL increase
- Significant HDL decrease (worst of oral steroids)
- Increased blood pressure
Liver
- Hepatotoxic (even injectable form)
- Elevated liver enzymes
- Cholestasis risk
Hormones and fertility
- Testosterone suppression
Musculoskeletal
- Joint pain (drying effect)
- Tendon issues
- Increased injury risk
Mood and mind
- Increased aggression (mild)
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
- Liver strain: High (both oral and injectable): ALT (SGPT), AST (SGOT), GGT, Bilirubin
- Shuts down natural production (PCT needed): Total Testosterone, LH, FSH
Related compounds
- Testosterone Cypionate
- Testosterone Enanthate
- Testosterone Propionate
- Deca-Durabolin (Nandrolone Decanoate)
- NPP (Nandrolone Phenylpropionate)
- Trenbolone Acetate
- Trenbolone Enanthate
- Equipoise (Boldenone Undecylenate)
Questions
What is the half-life of Winstrol (Stanozolol)?
About 8-9 hours for the first form listed; other forms differ. Half-life is the time for the level in the blood to fall by half.
How long is Winstrol (Stanozolol) detectable?
Testing windows of 3 weeks (oral), 2 months (injectable) are reported, depending on the test and the person.
Is Winstrol (Stanozolol) 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 Winstrol (Stanozolol)?
Based on its properties, these markers are commonly monitored: HDL Cholesterol, LDL Cholesterol, Hematocrit, Hemoglobin, ALT (SGPT), AST (SGOT), GGT, Bilirubin, Total Testosterone, LH and FSH. A doctor can order and interpret them.
What are the side effects of Winstrol (Stanozolol)?
Estrogenic: none. Androgenic: acne, hair loss (dht derivative) and oily skin. Heart and blood vessels: significant ldl increase, significant hdl decrease (worst of oral steroids) 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.