Myths vs facts: Testosteron and Sport

Testosterone is a key anabolic hormone influencing muscle growth, bone density, and libido. Fact: Normal physiological levels support athletic performance, but supraphysiological doses (e.g., exogenous testosterone) provide only marginal additional gains and are banned in most sports. Myth: Many believe that over-the-counter testosterone boosters or supplements can safely raise levels and enhance performance. Evidence shows these are largely ineffective in men with normal levels and may carry cardiovascular risks. Another myth is that strength training permanently elevates testosterone – in reality, acute post-exercise increases are transient and do not drive long-term muscle hypertrophy. Exogenous testosterone use is associated with serious side effects (infertility, mood disorders, cardiovascular events) and is prohibited by WADA. The best evidence-based approach to support natural testosterone includes adequate sleep, a diet rich in healthy fats and zinc, and resistance training. Evidence is human-strong, derived from endocrine research and anti-doping guidelines. Caveat: Individual variation is significant; suspected hypogonadism requires medical evaluation, not self-supplementation.