Primobolan is a type of anabolic steroid and is the trade name for the compound known as Methenolone. It is available in two forms:-

  • Injectable- MethenoloneEnanthate
  • Oral- Methenolone Acetate

It is basically an anabolic steroid with androgenic properties. Though it is a commonly used steroid, the injectable form is more popular among athletes and bodybuilders than the oral acetate form. The injectable form- methenolone enanthate side effects are more compared to the oral form.

History of Primobolan

The formula for Primobolan was first released in the year 1960. A pharmaceutical company named Squibb started the commercial production of Primobolan in 1962. The first form which was produced was the injectable form- MethenoloneEnanthate under the common name, “Nibal depot”. In the same year, the oral acetate version was released under the name “Nibal”. Later the rights for the production of this drug was bought by another company named Schering and during this take over the names were changed to “Primobolan” for the oral form and “Primobolan depot” for the injectable form. Since then they have been available in the market in these forms.

Why are the Benefits of UsingPrimobolan

Primobolan compared to other steroids is considered relatively safer due to its mild nature. The injectable form is considered stronger and more effective and hence more preferable to bodybuilders due to the following properties:

  • Enhances immune system
  • Increases lean muscle weight
  • Helps in fat loss
  • Increases performance
  • Increases strength and endurance

Primobolan is generally used as an off-season bulking stack for cutting cycles. This is one of the very few steroids that is women-friendly due to its low virilization property and also because it does not affect estrogen levels in your body. So if you are a female bodybuilder you could opt for this hormone without thinking twice.

Apart from bodybuilders, Primobolan is also used by medical practitioners. It is used to treat malnutrition in children and osteoporosis in adults without any side-effects. In fact, it has proved to produce effective results for treating AIDS and breast cancer.


The recommended dosage of Primobolan is 200-400 mg per week for men and50-100 mg per week for women. The maximum recommended dosage is 100-150 mg per day.

A typical Primobolan cycle is 8 weeks though it may vary from person to person. Since it is typically a fat-losing hormone, you might be able to see visible differences in a short time.

Like any other drug, Primobolan also produces better results when stacked with other steroids. It is most commonly stacked with Dianabol, Anadrol, Testosterone and Deca-Durabolin.


Unlike many other steroids, side-effects related to misuse of Primobolan are very limited. It is relatively milder than other steroids. The most common methenoloneenanthate side effectsare:

  • Skin breakouts
  • Gynaecomastia
  • Acne
  • Depression
  • Suppresses natural testosterone production in the body.

Apart from the above, it can cause mild cardiovascular problems. Due to its minimal side-effects among other steroids, it could be the right choice for you.