What role does Testosteron play in blood sugar?

Testosterone plays a modulatory role in blood sugar metabolism primarily through its effects on insulin sensitivity. In men, low testosterone levels are consistently associated with increased insulin resistance and higher risk of type 2 diabetes. In women, elevated testosterone – as seen in PCOS – is linked to impaired insulin action. Evidence comes from observational studies and clinical trials, but effect sizes are modest and confounded by body composition, age, and lifestyle. Testosterone replacement therapy in hypogonadal men may improve glycemic control, though results are mixed. In women, testosterone is not used therapeutically for glucose management. Consumer hormone tests (saliva, blood) have limited accuracy and should not be used to self-diagnose or self-treat. The relationship is bidirectional: poor metabolic health can also lower testosterone. Overall, testosterone is one piece of a larger puzzle; lifestyle interventions (diet, exercise, weight management) remain the cornerstone for blood sugar regulation.