Nandrolone Decanoate

This is the only form of nandrolone sold in Italy, and the drug that contains it is called Deca Durabolin, a very common steroid among athletes as it is easy to find.

It has an active life of about 15 days and is traceable in tests up to 18 months from the last injection, so its use is easily identified by anti-doping tests.

Nandrolone cyclohexylpropionate

A form of nandrolone with a duration of about 13-15 days, difficult to obtain and about which it was not possible to find specific information.

Nandrolone exiloxyphenylpropionato (Anadur)

The veterinary drug is not sold in Italy, its active life is about 25 days, and it can be traced in urine up to 18 months after the end of its administration.

Nandrolone phenylpropionate

A form for human use with a short duration of action, about 3 days, not sold in Italy, detectable by tests for about 15 months.

Nandrolone laurate (Laurabolin)

This is a veterinary form of nandrolone that is not sold in Italy and is active for about 25 days.

Nandrolone undecanoate (Dynabolan)

In addition, this form of nandrolone is not sold in Italy, it is active for about 8/10 days and is monitored in tests for 18 months.


Norethandrolone, known as Nilevar, was one of the first oral steroids available in the United States. In fact, it was a response to Dianabol Ciba and was sold the same year. This substance is a 17α-alkylate, therefore it is an orally active steroid, especially toxic to the liver.

This steroid has low androgenic activity in a ratio and is monitored for 5-6 weeks.

Norethandrolone significantly suppresses the HPTA axis, up to the complete suppression of the production of LH, FSH and testosterone, which causes a decrease in libido, infertility and impotence. This substance is also aromatized and has progestin activity, so it causes gynecomastia and water retention more than testosterone.

Because of its high side effects and poor anabolic capabilities, norethandrolone is little used by athletes who prefer to use substances with a Less serious risk / benefit ratio.

Norboletone or normethandrolone

Norboletone or normethandrolone is a 17α-alkylated derivative of orally active nandrolone, it was created in the 60s and has been studied. as a possible treatment for severe catabolic conditions and for patients with HIV.

Normethandrolone is no longer sold on the market but is still produced by clandestine laboratories like all steroids out of the business.

Like all nandrolones, they have a strong affinity for the androgen receptor and a very high A: A ratio (350: 20), however, they also have strong progestin activity and inhibit the HPTA axis in brand size i.e. despite low androgenic activity and slight taste. As a 17α-alkylate, it is also highly hepatotoxic.

Athletes use this steroid in doses of 10 to 15 mg per day.

Oxymetholone (Anadrol 50)

Oxymetholone, marketed as Anadrol 50, is an oral steroid originally developed as a drug for the treatment of anemia, then it has also become useful in the treatment of catabolic conditions, its possible use in treatment is currently being studied. symptomatic physical exhaustion caused by AIDS.

Oxymetholone is a compound derived from DHT, a 17α-alkylated steroid, and is therefore orally active.

This Substance is clearly effective in promoting weight gain, increased appetite and erythropoiesis among athletes known to provide excellent gains in strength, muscle mass and recovery already in the first weeks of intake. However, it is also known to have very strong side effects, which also occur after the first weeks of treatment. Anadrol actually very strongly inhibits the natural production of testosterone, negatively affects the lipid profile of the blood, altering the HDL / LDL ratio, raising the latter and lowering the former, can cause water retention, is known to cause headaches, and is also highly toxic to the liver (considered one of the most hepatotoxic deglisteroids).

It is especially rich in side effects, in fact, in addition to high hepatotoxicity, it can give very pronounced hypertension, hair loss and prostatic hypertrophy.

It seems to be able to activate estrogen and progestogen receptors as well, hence even if it cannot aromatize, it causes all of these side effects due to estrogenic activity such as water retention, gynecomastia and HPTA axis suppression. This steroid is considered one of the most dangerous on the market.

Oxymetholone, as already mentioned, leads to a significant increase in muscle mass, especially in the first 3 weeks of treatment, so it is common practice among users of this drug to take it for no more than 4 weeks, then switch to other drugs to reduce the incidence of numerous side effects effects. In addition, it is never associated with other 17α-alkylates in order not to overlap substances with pronounced hepatotoxicity.

Another characteristic of this compound is its low affinity for the androgen receptor: some studies suggest that Oxymetholon does not bind the androgen receptor poorly, this indicates that some of the effects are not mediated by binding to the receptor, so it is possible that it has a different mechanism action still to be seen.

The dose / response ratio tends to reach the stationary phase soon, which means that even increasing the dose does not lead to better results, so users do not exceed 100 mg per day.