Primobolan Sterling Knight 10ml vial [100mg/1ml]




Primobolan is

an injectable steroid that is characterised by a mild action. It has gained special recognition among bodybuilders. It is very effective for the growth of high-quality muscles and for drying, when the main purpose of use is not to gain muscle mass, but to preserve it. It is also used for withdrawal from AAS courses. It belongs to relatively safe preparations. Suitable for use by beginners and experienced athletes.

Features of the drug

Primobolan is a derivative of dihydrotestosterone. It is an ester of methenolone enanthate. The anabolic activity of the drug is 88% of testosterone, and androgenic – 44%. The steroid has a long period of action, because it gradually passes from muscle tissues into the blood. Therefore, injections are put 1-2 times a week.

The drug does not have progestagenic activity and is not aromatised, that is, it is not transformed into estrogens, which is its undoubted advantage. Primobolan is used for “bridges” between courses, because in optimal doses it does not suppress the synthesis of natural testosterone. Steroid is also used in medicine to treat anaemia.

Main properties

Correct reception of Primobolan allows you to achieve the following results:

  • make muscles firm and drawn;
  • increase strength and endurance;
  • burn fat;
  • strengthen ligaments and joints;
  • accelerate metabolic processes;
  • improve amino acid synthesis.
  • Rollback phenomenon is minimal. When combined with other steroids Primobolan demonstrates good results in muscle growth.

Recommendations for use

Working dosages of the drug are 400-1000 mg per week for men and 100-200 mg for women. The course is on average 8 and 4 weeks. The optimal dose should be determined by a doctor.

In mass-building courses, the anabolik is used with Testosterone, Nandrolone, Methandienone, Oxymetalon. If the task is to burn fat, the steroid is combined with Stanozolol, Boldenone, Trenbolone. In combination courses, steroids are used in half of the recommended doses.

Additional information

active substance


Amount of substance, mg


release form


1 vial, ml


Bottles per pack, pcs



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