How are Testosteron and Abnehmen related?

The relationship between testosterone and weight loss is bidirectional and nuanced. Low testosterone in men is associated with increased body fat, reduced muscle mass, and insulin resistance, which can hinder weight loss. Conversely, weight loss—especially through caloric restriction and exercise—can raise testosterone levels. However, effect sizes are modest and heavily influenced by lifestyle, age, and underlying health conditions. Evidence comes from observational and small interventional studies; no robust RCTs confirm a direct causal chain. Moreover, individual variability is high: not everyone with obesity has low testosterone, and not everyone with low testosterone is obese. Importantly, testosterone replacement therapy should only be used for clinically confirmed deficiency under medical supervision, due to risks like cardiovascular events or prostate issues. For weight loss, sustainable diet and exercise remain primary. Genetic testing for testosterone-related variants (e.g., in SHBG) has limited predictive value and is not routinely recommended.