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Article: Testosterone Cypionate

Testosterone Cypionate - HealthBrew Clinic

Testosterone Cypionate

Testosterone cypionate was introduced in the 1950s and has since become one of the most commonly prescribed forms of testosterone replacement therapy (TRT). Initially targeted at hypogonadism and other conditions related to low testosterone levels, its applications have expanded over time.

Mechanism of Action

FDA-Approved Uses

Testosterone cypionate is an androgen and anabolic steroid used primarily to treat low testosterone levels in men. It works by providing exogenous testosterone, aiding the body in multiple functions such as muscle development, bone density, and mental well-being.

Clinical Evidence

Testosterone cypionate has a wide range of clinical benefits for men with low testosterone levels. Studies have shown:

  • Improvement in sexual function and libido in up to 80% of men
  • Enhanced mood and mental well-being in around 75% of patients
  • Increased bone density by 5-7%
  • Reduced body fat and increased muscle mass, although individual results may vary
  • Improved cognitive function in some studies

Side Effects

The most common side effects include increased red blood cell counts, which could increase the risk of clotting, acne, and back hair growth. Elevated estradiol levels are also a concern.

Drug Interactions

Interactions can occur with anticoagulants and drugs metabolized by the liver.


Contraindicated for people with known hypersensitivity to the drug, breast cancer, or prostate cancer.


The typical dose for men is 0.25 ml of a 200mg/ml solution, injected twice a week.

Warnings and Precautions

If you're experiencing hair loss, testosterone cypionate could accelerate the process. Consider combining with a hair growth therapy protocol.


  1. FDA label

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