Primobolan (Methenolone Enanthate)
1-methyl-5α-androst-1-en-3-one-17β-ol enanthate. Anabolic Androgenic Steroid (AAS), dht derivative.
This page describes what Primobolan (Methenolone Enanthate) 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
- 10 days
- Liver strain
- Low
- Kidney strain
- Low
- Converts to estrogen
- None
- Suppresses natural hormones
- Yes
Medical uses
- Muscle wasting
- Cachexia
- Osteoporosis
What it does in the body
Anabolic
- Lean muscle preservation
- Mild strength increase
- Fat loss (mild)
- No water retention
- Immune system enhancement
- Minimal side effects
Androgenic
- Low androgenic activity
- Mild libido increase
Forms, half-life and detection
| Form | Half-life | Reported detection window |
|---|---|---|
| Injectable (Intramuscular) | 10 days | 4-5 weeks |
Side effects and health risks
Estrogenic
- None
Androgenic
- Minimal acne
- Minimal hair loss
- Low virilization risk (women)
Heart and blood vessels
- Mild LDL increase
- Mild HDL decrease
- Minimal blood pressure increase
Hormones and fertility
- Mild testosterone suppression (dose-dependent)
Mood and mind
- Minimal psychological effects
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 (Drostanolone Propionate)
- Masteron Enanthate (Drostanolone Enanthate)
- DHB (1-Testosterone / Dihydroboldenone)
Questions
What is the half-life of Primobolan (Methenolone Enanthate)?
About 10 days. Half-life is the time for the level in the blood to fall by half.
How long is Primobolan (Methenolone Enanthate) detectable?
Testing windows of 4-5 weeks are reported, depending on the test and the person.
Is Primobolan (Methenolone Enanthate) 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 Primobolan (Methenolone Enanthate)?
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 Primobolan (Methenolone Enanthate)?
Estrogenic: none. Androgenic: minimal acne, minimal hair loss and low virilization risk (women). Heart and blood vessels: mild ldl increase, mild hdl decrease and minimal blood pressure increase.
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.