SP-Laboratories PRIMOBOL (Inj)



Package:1 vial (100mg/ml 10 ml)
Active Substance: Methenolone Enanthate
Product name: Methenolone Enanthate, Primo, Primobol


In the realm of performance-enhancing drugs used in bodybuilding and sports, Primobol, also known as Methenolone Enanthate, has gained significant attention. Manufactured by SP-Laboratories, Primobol offers unique benefits to athletes seeking muscle growth, strength, and overall performance improvement. This article will delve into the general description, indications, contraindications, uses in bodybuilding and sports, medical action, combination with other drugs, dosage recommendations, and potential side effects of Primobol.

General Description:

Primobol, or Methenolone Enanthate, is a synthetic anabolic androgenic steroid derived from dihydrotestosterone (DHT). It was originally developed for medical purposes, primarily to treat muscle-wasting conditions and promote lean muscle mass growth in patients. Over time, its usage extended to the realm of bodybuilding and sports due to its anabolic properties.


In the medical field, Primobol was used to manage muscle-wasting conditions and to promote weight gain after severe illnesses. However, in the bodybuilding and sports context, Primobol is often utilized for its potential to enhance muscle growth, improve strength, and aid in body recomposition.


Like any pharmaceutical product, Primobol comes with certain contraindications. Individuals with a history of hypersensitivity to Methenolone Enanthate, prostate cancer, breast cancer (in males), and cardiovascular diseases should avoid its usage. Pregnant and lactating women are also advised to refrain from using Primobol.

Uses in Bodybuilding and Sport:

Primobol’s popularity in bodybuilding and sports stems from its unique properties that allow athletes to achieve lean muscle gains without excessive water retention. It is commonly used during both cutting and bulking cycles to maintain muscle mass and improve muscle definition. Due to its mild nature, it is favored by athletes who wish to avoid harsh side effects often associated with stronger anabolic steroids.

Medical Action:

Primobol exerts its effects by binding to androgen receptors, promoting protein synthesis, and inhibiting muscle breakdown. This results in increased muscle growth, improved recovery, and enhanced overall performance. Additionally, Primobol does not aromatize into estrogen, reducing the risk of estrogen-related side effects.

Combination with Other Drugs:

To maximize its benefits, Primobol is often stacked with other anabolic steroids. During cutting phases, it may be combined with compounds like Winstrol or Anavar to enhance muscle definition and hardness. In bulking cycles, it can be paired with substances like Testosterone or Deca Durabolin for increased muscle mass gains.

Combining different compounds is a common practice in the world of bodybuilding and sports performance. The goal is to leverage the unique properties of each substance to create a more comprehensive and effective approach to achieving desired results. When it comes to Primobol, its versatility and mild nature make it an excellent candidate for stacking with other compounds.

  1. Primobol and Testosterone

One of the most popular combinations is Primobol with Testosterone. Testosterone is the primary male sex hormone and a potent anabolic compound. When combined with Primobol, athletes can experience enhanced muscle growth, strength gains, and improved recovery. The synergistic effects of these two compounds can lead to impressive results, whether in a cutting or bulking phase.

  1. Primobol and Winstrol

For those aiming for a lean and ripped physique, combining Primobol with Winstrol (Stanozolol) can be a powerful strategy. Both Primobol and Winstrol are known for their ability to promote muscle definition and vascularity while minimizing water retention. This combination is often favored during cutting cycles to achieve a shredded appearance.

  1. Primobol and Deca Durabolin

Deca Durabolin (Nandrolone Decanoate) is another compound that can complement Primobol effectively. This combination is popular for bulking cycles, as Deca Durabolin’s anabolic properties can contribute to significant muscle mass gains. Primobol, in turn, helps to minimize the risk of excess water retention, leading to a more quality and defined bulk.

  1. Primobol and Anavar

Combining Primobol with Anavar (Oxandrolone) is a favorite among both male and female athletes. Anavar is known for its mild nature and ability to promote lean muscle growth without significant androgenic side effects. When stacked with Primobol, athletes can experience improved muscle preservation during cutting phases while minimizing the risk of unwanted side effects.

  1. Primobol and Trenbolone

For experienced users seeking rapid muscle growth and strength gains, combining Primobol with Trenbolone can be an option. Trenbolone is a potent anabolic steroid known for its powerful effects. When used in moderation alongside Primobol, athletes may achieve remarkable transformations, but careful dosage and monitoring are essential due to the potential for side effects.


Dosage recommendations for Primobol vary based on experience level, goals, and gender. For male athletes, a common dosage ranges from 400 to 800 milligrams per week, administered through injections. Female athletes, due to their increased sensitivity to anabolic steroids, generally opt for lower doses in the range of 50 to 100 milligrams per week.

Side Effects:

Primobol is considered relatively mild compared to other anabolic steroids, but it still carries the potential for side effects. Some individuals might experience androgenic effects such as acne, oily skin, and facial hair growth. Virilization is a concern for female users, leading to deepening of the voice, clitoral enlargement, and other masculinizing effects.


Primobol (Methenolone Enanthate) holds a unique position in the world of performance-enhancing drugs, offering athletes the opportunity to achieve lean muscle growth and improved performance with minimized risks of severe side effects. With careful consideration of its indications, contraindications, proper usage, and potential side effects, individuals can make informed decisions about incorporating Primobol into their fitness regimens. As always, consulting a medical professional before starting any new supplement or medication is crucial to ensure safety and optimal results.