is testosterone a steroid

What is Testosterone?

Testosterone is a naturally occurring hormone found in all humans, and is the primary hormone responsible for male physical characteristics such as facial hair, body hair and a deeper voice. Testosterone is normally produced in the testes and plays important roles in adolescent and adult growth and development, and in sexual functioning.

Is Testosterone a Steroid?

While testosterone is often classified as an anabolic-androgenic steroid, it is technically not a steroid as it does not contain the same chemical structure as anabolic-androgenic steroids do. However, testosterone is often administered with other anabolic-androgenic steroids for a variety of medical and bodybuilding reasons, leading to much confusion about it being classified as a steroid.

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Uses of Testosterone

Medical Uses

Testosterone is used for a variety of medical conditions, including andropause (a natural decline of testosterone with age), hypogonadism (an abnormally low level of testosterone production), and a variety of other hormone-related disorders. Testosterone is sometimes also prescribed as a treatment for conditions such as low libido, infertility and delayed puberty in males.

Sports Uses

Testosterone is widely used in the world of sports and bodybuilding due to its performance-enhancing effects, including an increase in strength, muscle mass and power. Testosterone is used to increase muscular endurance and reduce recovery time, in addition to its ability to help the body burn fat more effectively.

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Side Effects of Testosterone

Testosterone has been linked to a wide range of side effects, including:

  • Acne, oily skin, and male pattern baldness
  • Increased aggression and mood swings
  • Low sperm count and fertility issues
  • Swelling of the breasts
  • Increased risk of certain heart conditions

Conclusion: Is Testosterone a Steroid?

So, is testosterone a steroid? The answer is no, it is not technically classified as a steroid due to its different chemical structure to that of anabolic-androgenic steroids. However, it is often administered alongside other steroids and thus the confusion. Testosterone has both medical and sports uses but has been linked to a range of side effects, particularly when abused. Therefore, it is important to check local laws regulating the usage of testosterone, as well as consulting a medical professional before commencing usage.


1. Reviews in Endocrine and Metabolic Disorders
2. Physicians and Sportsmedicine
3. Aging Male

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