Eurochem DuraJect 100 10 ml vial (100 mg/ml) EXPIRATION

Nandrolone Phenylpropionate

Nandrolone phenylpropionate is a potent injectable anabolic steroid, similar in composition to Deca-Durabolin, but with a faster release rate. Unlike nandrolone decanoate, which remains effective for about three weeks, nandrolone phenylpropionate’s active effects last approximately one week. In clinical settings, Deca-Durabolin can be injected every two to three weeks, while Durabolin typically requires administration every few days to weekly. Both drugs are largely interchangeable and are favored by athletes and bodybuilders for enhancing strength and promoting lean muscle gains with minimal estrogenic and androgenic side effects.

Structural Characteristics

Nandrolone phenylpropionate is characterized by the attachment of a propionic phenyl ester, resulting in a steroid that is less polar and absorbed more gradually after injection. This esterification allows for extended therapeutic effects while facilitating a sharp peak in nandrolone levels within 24-48 hours post-injection, declining to baseline in about a week.

Side Effects (Estrogenic)

Nandrolone exhibits minimal estrogen conversion, approximately 20% that of testosterone, reducing concern for estrogen-related side effects. Higher doses may still lead to issues like water retention, fat gain, and gynecomastia. Anti-estrogens like clomiphene citrate or tamoxifen citrate, as well as aromatase inhibitors such as Arimidex (anastrozole), may be employed to mitigate these effects, though inhibitors can be costly and may negatively impact blood lipid levels. It’s noteworthy that nandrolone displays progestin activity and may share side effects with estrogen, including potential gynecomastia, necessitating the use of anti-estrogens for management.

Side Effects (Androgenic)

Even though nandrolone is classified as an anabolic steroid, users may experience androgenic side effects at high doses, such as oily skin, acne, and increased body or facial hair. Women should be acutely aware of potential virilization symptoms, despite nandrolone’s relatively lower androgenic activity than testosterone or methandrostenolone. Prolonged use can diminish libido in males due to testosterone suppression.

Side Effects (Hepatotoxicity)

Nandrolone is not classified as a c-17 alpha alkylated steroid and exhibits no hepatotoxic effects in healthy individuals, making liver toxicity unlikely.

Side Effects (Cardiovascular)

Use of anabolic and androgenic steroids, including nandrolone, can adversely affect cholesterol levels by lowering HDL (good cholesterol) and raising LDL (bad cholesterol), thereby increasing the risk of arteriosclerosis. Research indicates that nandrolone decanoate may lead to a significant decrease in HDL cholesterol levels when taken in substantial dosages, posing potential cardiovascular risks.

Side Effects (Testosterone Suppression)

All anabolic steroids can suppress natural testosterone production. For instance, studies show that nandrolone decanoate can lead to a notable reduction in serum testosterone levels, highlighting the compound’s progestational activity’s role in this suppression. Normal testosterone levels often return within 2-6 months post-therapy without external stimulants, although long-term suppression can necessitate medical intervention.

Administration (Men)

For general anabolic benefits, prescribed dosages typically range from 25-50mg weekly for 12 weeks. Those seeking enhanced performance usually employ 200-400mg weekly over 8-12 week cycles, with dosages split into two applications due to the rapid-acting nature of the phenylpropionate ester.

Administration (Women)

Similarly, early prescribing guidelines recommend 25-50mg per week for 12 weeks for women. For performance improvement, a common regimen is 50mg weekly via a single injection for cycles lasting 4 to 6 weeks, with higher doses discouraged due to potential androgenic effects. Immediate cessation is advised should virilization symptoms arise to prevent irreversible changes.