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Primobolan (aka Primobolan Depot, or Metenolone) is an injectable anabolic steroid, used primarily for cutting, body definition improvement and muscle protection.
It’s a weak anabolic compound, with a mild action that requires an extended use of up to 8 weeks. However, prolonging the cycle for more than 8 weeks results in a significant increase in the risk of developing adverse reactions.
|
Classification |
Anabolic Steroid |
|
Androgenic Activity (% of Testosterone) |
30% |
|
Anabolic Activity (% of Testosterone) |
88% |
|
Estrogenic Activity |
None |
|
Progestational Activity |
Not Significant |
|
Structure |
Dihydrotestosterone (DHT) derivative |
|
Water Retention |
None |
|
Aromatization |
None |
|
Hepatotoxicity |
None (Injectable) |
|
Active Half-life |
10-14 days |
Primobolan is a derivative of dihydrotestosterone (DHT) with an average androgenic index and a mild anabolic impact. The efficacy of the drug is often compared to Masteron's.
Primobolan Depot is the drug's injectable form: the active agent is metenolone enanthate, an oil-based solution, a long-acting ester. Primobolan Depot's duration of action is similar to that of Testosterone Enanthate.
Primobolan Depot should be used for beginners at 400 mg once a week, while experienced athletes may increase the dose to 1000 mg per week.
Athletes use Clenbuterol for better definition of the body at the end of the steroid cycle. It maintains muscle density and tougher definition, prevents muscle tissue catabolism and maintains strength and stamina.
Even though Primo is relatively mild, antiestrogens still must be used during post-cycle therapy.
Two of the most suitable options are:
PCT medications can be combined with testosterone boosters or (if there are more potent compounds, present in the cycle) — hCG (Human Chorionic Gonadotropin).
Due to its low androgenic activity, Primobolan can be used by female athletes without fear of manifesting virilization. In this case, 50 mg of the injectable drug is used once a week.
Primobolan is often mixed with other steroid medications because of its weak anabolic impact. The combined scheme can look the following depending on the end goal:
This is the safest cycle with excellent preservation of the obtained muscle volume:
The combined cycle’s duration is 6 weeks without using hCG.
Primobolan's anabolic effects are mild, as opposed to Deca Durabolin, Testosterone or Trenbolone. This steroid is an ideal option for cutting when the goal is not to increase the volume of the muscle but to maintain the muscle mass obtained during the bulking phase.
Primo has a wide range of effects for it:
Primobolan does not convert into estrogens (does not aromatize), which is often claimed to be the main advantage of this anabolic agent. It can be used without the risk of fluid retention, swelling or gynecomastia.
Primo does not cause an increase in the blood sugar level of bad cholesterol. Blood pressure is typically not affected. Low androgenic effects do not promote faster male pattern baldness development.
Primo is suppressive, meaning that it can cause a reduction in the body's natural male sex hormone production. However, compared to Testosterone and Nandrolone, the inhibitory effect is not so pronounced.
Research has shown that a typical cycle of Primobolan results in a 50% reduction in testosterone production by the active agent. This property is observed at high dosages in long cycles. In such cases, hCG must be added from the second week of the cycle.
Metenolone rarely causes adverse reactions. However, rarely reported side effects still exist in the form of:
A small number of adverse reactions and negative effects make Primobolan one of the safest anabolic-androgenic steroids on the market today.
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