Testosterone Enanthate

Testosterone enanthate is a long-acting androgen and anabolic steroid (AAS) used in the treatment of low testosterone levels in men. It is also used in hormone therapy for women and transgender men. This compound is typically administered through intramuscular or subcutaneous injection once every one to four weeks, depending on individual needs.

How It Works

Testosterone enanthate is a synthetic androgen and anabolic steroid, acting as an agonist of the androgen receptor (AR) — the target for natural androgens like testosterone and dihydrotestosterone (DHT). It is a testosterone ester and functions as a long-lasting prodrug, slowly releasing bioidentical testosterone in the body.

Once injected, esterase enzymes hydrolyze the compound, breaking the ester bond and releasing free testosterone and enanthic acid. This ensures a sustained release, providing stable hormone levels over time.

Bodybuilding Benefits

• Promotes consistent muscle growth

• Supports long cycles with less frequent injections

• Enhances recovery and performance

• Popular for bulking and hormone maintenance

Side Effects

Like other testosterone esters, side effects may include:

• Acne

• Increased hair growth

• Voice deepening

• Heightened sexual desire

• Lower aggression threshold

History and Usage

Testosterone enanthate was first introduced for medical use in 1954 and remains one of the most widely used testosterone esters today, along with cypionate, propionate, and undecanoate.

Beyond medical therapy, it is extensively used in the bodybuilding and fitness world to improve physique and performance. However, like other anabolic steroids, non-medical use is a controlled and often illicit activity in many countries.