Primobolan Depot Bayer 5ml / 100mg is a drug with moderate and weak anabolic androgenic effects. In injectable form it is an ether and has a lasting effect on cellular structures. It is suitable not only for men but also for couples as it has no side effects.

  • Active ingredient – methenolone
  • Anabolic activity – 88% testosterone
  • Androgenic effect – 44% testosterone
  • Flavoring – none
  • Hepatotoxicity – weak
  • The period of activity – from 10 to 14 days
  • Duration of stay in the body – up to six months

Рharmacological effect

Рharmacological effect

Primobolan Depot has a long duration of activity of about 2 weeks. The anabolic effect of the drug is quite mild, which is why Primobolan is rarely used for weight gain. Most often, the drug is included in courses to maintain muscle mass or to dry. Primobolan Depot has no aromatization side effects (gynecomastia, fat deposits, edema) and does not cause inversion at the end of the course. Safe for women as it does not cause masculinization or water retention.

For some athletes, this remedy is also suitable for weight gain, especially if you are doing a 10-week long course. Muscles grow slowly, but the result is more stable and of high quality. The dough obtained from Primobolan is kept longer, drier and more pressed.



Primobolan is contraindicated in people with chronic liver and kidney disease. With reasonable dosages and adequate duration of cycles, the drug is virtually harmless and does not affect the internal organs. Primobolan Depot Bayer is a safe medication that can be safely recommended to bodybuilding beginners for a gradual increase in quality and weight relief. It is also suitable for very experienced athletes: “professionals” use it to reduce weight.

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Expected drug effect

Expected drug effect

It is only associated with nandrolone, which has a much weaker anabolic effect. It is usually used for cuts or when a slight increase in high quality muscles is needed. Athletes all over the world endorse this very light and safe steroid, making it a must-have for beginning athletes who need a harmless supplement for strength and muscle mass.

You can distinguish the main effects after using Primobolan Depot:

  • high quality dry matter kit
  • muscle relief project
  • does not aromatize
  • subcutaneous fat burning

Side effects


Methenolone does not aromatize in the human body and is largely not an estrogenic drug. Estrogenic side effects will not occur when taking this steroid. Even particularly sensitive people may not be concerned about the risk of gynecomastia or a noticeable increase in fluid retention in the body. The steroid causes a qualitative increase in muscle mass, unlike aromatized steroids which cause rapid and poor quality weight gain. As the cycle progresses, users often do not notice major changes in blood pressure, as this effect is also closely related to estrogen and fluid retention. Methenolone is a steroid designed for cutting cycles where water and fat retention is particularly undesirable and the main objective is not simply to gain weight quickly.


Methenolone is not a hepatotoxic steroid. Studies have not found at least notable changes in liver stress markers when prescribing the drug in therapeutic doses. However, the steroid shows some resistance to degradation in the liver and a single fatal adverse event related to methenolone acetate was reported in an elderly patient. Although hepatotoxicity is unlikely, it cannot be completely ruled out, especially at high doses.

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The cardiovascular system

Anabolic/androgenic steroids can have harmful effects on cholesterol levels, including a tendency to lower HDL (good cholesterol) and raise LDL (bad cholesterol), which can contribute to the risk of atherosclerosis. The degree of effect of anabolic/androgenic steroids on serum lipids depends on the dose, route of administration (oral or injection), type of steroid (flavored or unflavored), and level of resistance to hepatic metabolism. The drug has a strong effect on the level of cholesterol in the liver due to the fact that this substance does not aromatize and, thanks to its structure, it is able to resist degradation in the liver, in addition, the route of administration of the drug is also a important condition. Anabolic/androgenic steroids can adversely affect blood pressure and triglyceride levels, reduce endothelial relaxation, and promote left ventricular hypertrophy, potentially increasing the risk of cardiovascular disease and myocardial infarction. To reduce the risk of cardiovascular deformities, strenuous exercise and minimize consumption of saturated fat, cholesterol and simple carbohydrates are recommended throughout the period of active use of AAS (anabolic/androgenic steroids). We also recommend an additional intake of fish oil (4 g per day), natural cholesterol and antioxidants such as Lipid Stabil or products with comparable ingredients.

Side effects

Тestosterone suppression

All anabolic/androgenic steroids, when taken in doses sufficient to increase muscle mass, inhibit endogenous testosterone production. Without the intervention of testosterone-stimulating substances, testosterone levels should return to normal within 1-4 months of taking the drug. It must be remembered that long-term hypogonadotropic hypogonadism can develop as a result of medical intervention. The drug is said to have little effect on endogenous testosterone production at low clinical doses (20-25 mg per day), but this can change when the drug is used for sporting purposes. In one study, more than half of patients who received just 30-45 mg per day experienced 15-65% suppression of gonadotropin levels. While this cannot be called “no effect”, the suppression caused by methenolone acetate will still be much less pronounced than with other drugs. The use of Primobolan in moderate doses and not longer than 8 weeks does not require additional rehabilitation therapy.

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