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Primobolan – Everything About Its Overview & History

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Want looks like Arnold Schwarzenegger? You must have thought about Primobolan. It is the brand name for an anabolic steroid – Methenolone. It is generally available in an injectable form. However, some of the manufacturers deal in an oral form as well. In this article, we will learn about Primobolan and best way to use it.

Introduction: What is Primobolan?

Primobolan, also known as Primo, is the trade name for the anabolic steroid Methenolone or Metenolone. They can be classified as:

Injectable Primobolan – Methenolone Enanthate

Oral Format – Methenolone Acetate

It is mild and both anabolic and androgenic compound. It is a very weak anabolic steroid. It is weaker than Testosterone itself. It is widely used in cutting cycles. It helps in the preservation of muscle mass and also results in the addition of new mass. It is never used in bulking cycles due to its lower anabolic strength.

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History of Primobolan

At the end of the 1960s, the Schering, a German life sciences company, acquired the rights of producing Primobolan. The company produced below versions:

Long ester – the brand names Primobolan

Short ester – the brand name Primobolan Depot.

Primobolan 88:45 has anabolic to androgenic ratio. It is mild as compared to even base testosterone as well. However, it is a controlled substance. You must purchase it from a reliable and reputed source only.

Primo For Weight Loss

Primobolan is popular among the bodybuilding community. It is one of the safest steroids available on the market. In addition, it is well tolerated by the users from all walks of life. If you are looking forward to bulking up and build more muscles, you can easily pack 50 pounds of muscle.

Primo is an anabolic steroid popularly used in cutting cycles. It burns stringent fat and also assists to preserve lean muscle tissue. It is 1-methylated and has high bio-availability level. Majority of the bodybuilders use Primo “between cycles” and assist them to maintain lean muscle without losing precious gains.

In addition to this, it speeds up the breakdown of fats and also assists to lose weight and burn fat. It also promotes lipid lipolysis and helps you to attain a leaner & dryer look.

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Primobolan Benefits

Some of the key benefits associated with Primobolan are:

Fat Loss

It helps in burning fat from the unwanted areas of the body. It is majorly used as a part of cutting cycle and helps you to burn fat, get ripped and shredded as well. It helps in the preservation of lean muscle mass and is also good as seen from the bodybuilding perspective. It is absolutely essential.

Muscle Growth

It is widely used for cutting however is useful for bulking at very high doses. It is generally stacked with powerful steroids having great bulking abilities. This steroid promotes a constant positive nitrogen balance in the muscles and also improves nitrogen retention of your body.

We all know that nitrogen is highly needed for muscle growth and maintenance. It is a fact that more is the nitrogen retention of your muscles, the more muscles you can likely build. When you want to build new and stronger muscle tissues, your body has more nitrogen.

Muscle Preservation

We all know that muscle preservation is more important than muscle growth. Primo can be very well used to maintain lean muscle tissue. It not only burns the fat but also assists you to build lean muscle mass as well.

The main issue is that you need to take a calorie deficit diet in order to burn fat. It means your body must burn off more calories than you take in. Your body tweaks with its fat stores and also makes up for the missing calories.

In this process, the muscle catabolism can also take place. As a bodybuilder, it is not all acceptable to burn off muscles on which you worked so hard to build.

We would like to share that Primobolan is anti-catabolic in nature. In simple words, it prevents muscle wastage.

Strengthens The Immune System

It is generally said that anabolic steroids are dangerous and also put much pressure on the body as well as internal organs. With regular use of primo, you become healthier and own a healthy and balanced indeed.

With the regular use of Primobolan, the number of t-cells increases and your immune system gets strengthened. It eventually makes the steroid user fitter and healthier.

Potential side-effects

Some of the side-effects associated with Primobolan are:

Possible Liver Damage

The oral form of Primobolan can cause serious damage to the liver. The oral form of Primobolan can be highly toxic when not taken carefully.

Hair Loss

If baldness or hair loss is genetic, you will experience hair loss at a more rapid rate with the use of Primobolan. It makes you lose your hair on a faster pace and also have luscious heads of thick hair.

Possible Kidney Damage

With nitrogen retention, we mean that plenty of protein is constantly present in the body. As you may or may not know, a large amount of protein may take a toll on a person’s kidney. It generally works overtime along with a little break. Therefore, kidney damage can happen. It does not have a direct impact on the kidneys however can cause damage to the kidneys if you aren’t careful.

Primobolan Cycle

It has resulted in some impressive results. It is recommended to take 400mg each week continuously for 10 weeks. Also, it can be stacked with 300mg – 500mg of testosterone enanthate. In the advanced cycles, you can use 1000mg of primo for 10 weeks. You can easily stack it with 100mg of testosterone enanthate each week, along with 500mg of Tren per week.


Final words, we have found that Primobolan does not promote fast weight gains as well as explosive strength gains. It results in a high-quality muscle gain for a prolonged period. It is commonly used as a base compound for stacking with other steroids. It is a safer and milder anabolic steroid and ideal for use for bodybuilders during cutting cycle.